Many of us are lucky enough to have a family that we're close to, where love and care is a two-way street.

But if your blood relatives aren't a positive part of your life, can you still create that connection?

Tracie Laymon has done this, in a very unusual way. She's the writer and director of a film called Bob Trevino Likes It — a semi-fictionalised version of what happened when she reached out to a man on Facebook who shared her father's name.