My thoughts are that I would be so happy if that happened! :p
Most of what I want out of him is set out in Thalia's history, but the basic idea is just that he was incredibly charming when they met, that she thought they were in love, but things slowly deteriorated with him getting more jealous and emotionally and physically abusive over time. It would be up to you if he did genuinely love her, or thought he loved her, or if he was just playing her.
I'm on night shift, so if there are gaps in replies that's why, but I'm on AIM on my phone and check my emails frequently during shift anyway.