The phrase "to share a bond" means to have a close connection or relationship with someone. It implies that two or more individuals have a strong and lasting connection that distinguishes them from others. Full definition
Our special events bring together enthusiastic participants who share a bond of compassion for homeless animals and a desire to help them. (ddfl.org)
She has found her match, as medicine has always intrigued her and she loves to be able to help people though rough times and help people share the bond with their pet. (erpetdoctor.com)
We all know that shared experiences create shared bonds, so team up with a fellow teacher to plan a field trip to the local museum or science center. (edudemic.com)