What is the glue that forms the bonds of friendship?

Supports our social identity

Has a similar sense of humour

Shares personal information about her/himself

Listens to our issues and personal information

So friends need to communicate regularly

Might not always agree with us, but is non  judgemental in their responses

Probably shares some interests or passions

Feels loyal and trustworthy

What has made you a strong bond with your best friend?