Help me 🙄🤦‍♀️

Is it me or do everybody think like this for the pass week my boyfriend been accusing me of talking to other dudes but my thing is how do I talk to other guys and me and him be together 24/7 we lived together and we share the same phone ! So 2 days ago he went out with some friends and didn’t come home until the next morning and then lastnight he went out with his brother haven’t been home and I haven’t talk to him all day what should I do 🤦‍♀️ I think he is doing something on the low 🤔