Just that really. When I met my ex he was in debt and spent the majority of his time on the sofa playing video games without friends. I improved him, but I feel he has taken 'my' things, things that are quintessentially me, and now parades himself around as though they are 'his' things. It irks me to see photos pop up where he is doing a string of hobbies and they are all things I introduced him to. Unreasonable? Possibly. Whatever. Grr.