What should I behave towards my boyfriend right now? Should I broken up with him?

Well. I was at the another country and my boyfriend met with woman and he never tell me about this meeting. ( because I think he knows I am jealous ) I learn it when I saw the his messages with her. Then we got discussed about this. He said he will be no more happening. Anyways after about 3 months, he told me he need to go work and then he drop me off the home. But he was meeting with woman that is lesbian ( he was told me she is lesbian. I don’t know 🤷🏻‍♀️) at his home and she got weed there. After this meeting , he came to pick me up to his home. He never told me about this meeting and I just saw at the messages. What should I do now?
What should I behave towards my boyfriend right now? Should I broken up with him?
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