He sent me texts on Valentine's Day saying how I didn't deserve to be alone and that he was going to send me flowers but didn't because he didn't know what I would think, blah blah blah.
Rolling my eyes at this. What a steaming load of quackery. Makes him seem thoughtful but with no actual effort on his part.
Sounds like having contact with him is making this harder on you. He is going to keep manipulating you as long as you allow it.