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Editorial photograph: siblings-10-12 sitting side by side on a window seat reading the same book, shoulders touching in window seat

How to Build Sibling Friendships

Sibling friendship grows through small experiences of safety, shared enjoyment, repair, and being known—not through pressure to be close.

Written by Sian Trombley · BEd, MACP, CCC

Clinically reviewedLast reviewed 2 August 2026
Text

  1. 01
    Stop harm without shaming

  2. 02
    Help each child regulate

  3. 03
    Name each perspective

  4. 04
    Identify the underlying need

  5. 05
    Choose a meaningful repair

Children do not need a perfect parent. They need a predictable one who returns after hard moments.

Sian Trombley, Canadian Certified Counsellor

What you can try this week

Step 01

Start a ten-minute sibling ritual

Choose one low-pressure activity that fits both children: drawing a comic, feeding a pet, making a snack, shooting baskets, or choosing a song for dinner. Keep it brief and end while the experience is still going well.

Step 02

Offer one specific noticing statement each day

Name a moment of connection without turning it into a lesson: “You moved over so your brother could see,” or “You two kept trying until the tower stood.” Specific noticing helps children recognize the behaviors that make time together feel good.

Step 03

Practice a repair when everyone is calm

Invite each child to finish three sentences: “What happened for me was…,” “What I needed was…,” and “Next time we could….” Do not require an apology before a child is regulated or ready to mean it.

Key takeaways
  • Aim for safety, respect, and repair rather than forcing siblings to be best friends.
  • Create brief, repeatable opportunities for shared enjoyment without making one child responsible for the other.
  • Protect each child’s belongings, boundaries, parental connection, and right to time alone.
  • Coach the skills underneath friendship, including perspective-taking, negotiation, appreciation, and recovery after conflict.
  • Notice small moments of cooperation specifically and sincerely, without comparing siblings or assigning fixed roles.
Reflection
  1. When I imagine my children having a good sibling relationship, what qualities matter most beyond simply not fighting?

  2. Does each child in our family have protected access to privacy, possessions, and individual attention?

  3. Which shared activity brings out cooperation between my children with the least adult prompting?

Printable resources

Recommended Thrive courses

Sian Trombley, BEd, MACP, CCC
Written by

Sian Trombley

Canadian Certified Counsellor · Founder of Thrive Family Company

About Sian

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