My boyfriend or Idk what to call him has 2 girlfriends!

So I found out couple days ago that my boyfriend had another girlfriend. Long story short he’s gonna tell me that he loves me and want to be with me obviously he’s telling her the same thing🙄🙄 he said that he’s only talking to her bc he’s benefiting from her (she gives him stuff) but he don’t want to be with her. Now Ik I sound dumb asf but I love this man even tho Ik he has another girlfriend. Then I found out he’s having sex with both of us IN ONE DAY WITHOUT CONDOM. Again Ik I sound dumb but I still love him and at the same time I don’t wanna be with him I don’t think I could put up with this nonsense anymore.

Any advice??

Ps:- he’s 19 and she’s 31 years old