How do I do this

i don't trust my dude anymore after a found him on bed with a stranger...i later found out that he has been on dating site for the last 4 months since our relationship started having issues. i do love him but i don't trust him anymore. can it work really? we used to stay together and he cheated in the same house...i want to forgive but can't forget...please advice.

Sorry to say but I think you end this relationship straight away. He went on a dating site for 4 months and met up with strangers. He has shown zero respect or love for you or the relationship. What's his attitude in all of this?