Acting is not very good for relationships – but very good for when they are over.
You can still have chemistry on screen without getting on with the person. But it just makes your job a lot easier if you don’t have to gird your loins, if that’s not quite the right phrase, every time you’re going to do a scene with that person.
I’m fortunate in that I don’t think I’ve ever fallen in love with somebody who hasn’t fallen in love with me. I actually think it’s quite rare that that happens, in a true way.