Possibly cheating husband

Husband has looked up casual encounters and single women... has lied to me about a girl coming over even said she to good friend to stop talking to even tho 6 yrs ago he stopped talking to her and her husband.. there not together now... I found two condoms one ripped both with liquid on in side and out .. in ten yrs I've never known him to do it.. he dnt even do it with me.. he said he didnt cheat.. says I can believe him or not.. well I dnt