Would you feel some type of way over this

My boyfriend had this door stopper stick that he brought awhile back but never used it and had it in his truck. His ex had a situation with her daughter where she needed to change the locks and her daughter also lost the keys that was to the apartment. So my boyfriend ex ask if he could drive her to Home Depot for some things to change the locks and when he took her home he gave her the door stopper and remind you he wanted to give it to me because I had some issues with my door but gave it to her. I said why? He said it was for her protection I said you was already nice enough to take her to the store and you told me how badly she use you while you two was together why even give her something of yours instead of telling her to buy it at Home Depot when y’all was out he said he didn’t think of it until dropping her off I said and you should have just let her go in without mentioning it. I been told him to stop doing her favors but he said he’s trying to be cordial because she owes him money still which he needs. I said you need to put your foot down and say something and not keep giving in to doing stuff for her when she asks. I been told him don’t give her nothing let her get it. And he said he does wish bad on anyone when I said he shouldn’t have gave her that door stopper stick for protection I said I never said you did. She wouldn’t have known you had it until you mentioned it and she could have got whatever she needed on her own. How do you care for her protection when she didn’t give a damn about you at all.