Opinions and advice needed!?

Okay, so I am the type of girl who hangs out with mainly guys ( i think it is because i grew up with 3 brothers and was basically raised around all guys ), but since i do hang out with a lot of guys my boyfriend gets kinda mad when he is drinking. It also happens that people keep telling him I cheat on him, and honest to god I have never and will never cheat on him. But he keeps getting pissed off every time he drinks, and leaves me crying hysterically from how he would act towards me. What can I do to make this stop? I love him with all my heart and I plan on marrying him one day, but I don't want to go through that pain every time someone tells another lie or when he drinks. please help!!