Condom in my boyfriends wallet

Ok so im on the pill we don't ever use condoms and we have a couple from months ago and its not even one of ours i don't know where it came from he just got the wallet for christmas so hes put it in there recently we're having a hard time at this point i feel like hes having sex with someone else or at least thinking about it what do i do do i ask him about it or just forget about it since we're already on the edge