You hate him, but still love his mom.
Sound weird? It shouldn't.
Here, The Frisky discusses how hard it often is to emotionally distance yourself from somebody's family once you've broken up.
Despite all the horror stories about monster in-laws, it's just as possible to form a bond with your significant other's parents immediately -- and regard them as extensions of your own family.
Regardless of how close you are, I generally don't think it's feasible to carry on a relationship with an ex's family member once you've broken up. It sticks you in the past, and sets an unfair standard for any future sets of potential in-laws.
Does anyone out there still talk to an ex's mom, dad or sibling?