8 ways couples show trust, understanding, and closeness without ever saying ‘I love you’

Experts say recognizing the signs of a strong relationship is one of the best ways to see if a couple will stay happy over time.

While every couple is different, healthy partners usually share common goals. They use honest communication to stay connected and ensure they are moving in the same direction.

Building a deep bond like this does not happen overnight. It takes time, attention, and effort.

Couples grow closer through shared experiences, heartfelt conversations, and moments of vulnerability. This process helps build real trust and intimacy.

Understanding a partner also means learning what they love and what they don’t, and respecting their choices—even if they are different from your own.

Rather than seeing differences as problems, many couples see them as qualities that make their partner special.

8 things couples say when they are truly close

Cortney S. Warren, PhD, a board-certified psychologist and author of “Letting Go of Your Ex,” writes for CNBC that these eight phrases are used by couples who have built deep trust and closeness. Each phrase reflects understanding, respect, and love—the clearest signs of a strong relationship that help couples stay connected over time.

1. “They are who they are.”

A key sign of a strong relationship is accepting your partner for who they are. Their mistakes are not yours to fix, and their victories are not yours to claim. They live life beside you but remain their own individual.

2. “I’m not surprised at all!”

When you truly know your partner, their actions rarely shock you. If friends are surprised by something they do, you might just smile—you already expected it. This comfort and understanding are another sign of a strong relationship, according to Warren.

3. “They’re quirky like that.”

Everyone has small habits that may seem unusual, like how they fold clothes or drink their juice. Loving partners notice these quirks and often see them as sweet or endearing.

4. “I trust them to be themselves.”

Trust is at the heart of a strong relationship. When you know someone well, you trust them to act honestly and make good choices, whether you are together or apart. Warren notes that this trust reflects deep emotional safety, which is vital for lasting love.

5. “That is a core value.”

Being close also means understanding what your partner believes in and what matters most to them. Even if you don’t agree, you respect their values. This respect is another clear sign of a strong relationship.

6. “They struggle with that.”

Knowing someone deeply means noticing what makes them sad or afraid. When a partner struggles, you respond with support and love, not frustration.

7. “I can’t change them.”

Accepting that you cannot change a partner is essential. They will only change if they want to. This acceptance, Warren says, is a major sign of a strong relationship.

8. “I didn’t know that about them!”

Even after years together, there is always something new to learn about your partner. In healthy relationships, this discovery is exciting and brings couples closer rather than creating fear or doubt.

Building a stronger bond

If you want to see more signs of a strong relationship in your own life, Warren suggests these simple steps:

• Ask questions and truly listen to the answers.
• Try to see things from your partner’s perspective.
• Use kind words, even during tough conversations.
• Hold hands or give hugs to maintain closeness.
• Put phones away, make eye contact, and spend quality time together.

By following these habits, couples strengthen trust, deepen understanding, and enjoy the kind of intimacy that helps love last for years.

5 daily habits that bring a couple closer

Many people believe love is easy at first, a phenomenon often called the “love bubble” by experts. During this phase, staying close can feel effortless. But research from Marriage.com shows that once the initial excitement fades, couples must actively work to stay happy.

Finding the signs of a strong relationship takes attention, time, and small daily actions. While it isn’t always easy, simple habits can help couples feel closer and keep love thriving.

1. Plan for the future

Couples who share goals—like a dream vacation or future home plans—create a united vision. Mapping out big dreams aligns priorities and fosters a sense of teamwork.

Working toward the future together reinforces the signs of a strong relationship. It strengthens the bond needed to grow old together.

2. Work toward goals together

Collaborating on a shared project, such as a home chore or an event, strengthens teamwork. Celebrating small accomplishments together builds trust, cooperation, and connection.

This sense of partnership is one of the clearest signs of a strong relationship, showing that couples can face challenges and succeed as a unit.

3. Be fully present

Life is busy, and distractions like phones, work, or TV can pull attention away from your partner. To nurture the signs of a strong relationship, set aside regular time to focus solely on each other.

It doesn’t matter whether you stay home, go for a walk, or enjoy a meal together—the important part is giving your partner your full attention, which builds intimacy and trust.

4. Share new experiences

Trying something new together—taking a class, learning a skill, or visiting a new city—creates lasting memories. These shared adventures reinforce signs of a strong relationship and can even help couples face challenges together.

Experts note that open discussion about differences is healthier than ignoring conflicts or staying silent, making these activities both fun and meaningful.

5. Keep discovering each other

Couples naturally enjoy learning about one another at the start—favorite songs, movies, or hobbies. This curiosity is an early sign of a strong relationship.

But even long-term couples benefit from asking questions regularly. Set aside time to talk, use a card game or app for ideas, or ask both simple questions (like favorite songs) and deeper ones (like fears or dreams). Listening carefully and following up shows genuine care and strengthens your bond.

Small, consistent habits like these may seem simple, but they have a powerful effect.

By continuing to learn about each other, sharing new experiences, working as a team, planning for the future, and being fully present, couples can strengthen trust, deepen connection, and enjoy lasting love—the true signs of a strong relationship.

Strengthen your bond today and see the signs of a strong relationship in action by watching Ways to Strengthen Your Relationship in 24 Hours with Dr. Julie Gottman: