books about relationships

I want to find a book or a podcast about relationships. But I want something that is applicable to me, so I don't have to skip around to find what's relevant. 

But I don't know where to find these things. Or to vet them to see if they're what I'm looking for. Where do I start? 

Every non-fiction book that is self-help in some way (and I have reservations about these in general, but I'm willing to give them a shot) I've found has come from someone else's recommendation. I've never been able to seek out my own books or podcasts.