How do i fix this situation? my own bf doesn't trust mr?

So i was talking to my bf and i was telling him how me and my friend are going to london to do some late night shopping on boxing day (shops are going to open at midnight) and its all big sales. he said oh your just going to go and shag someone there and accused me.. then he said alright bye and switched his phone of! i called him again and said dont you trust me? i'm just going shopping with my friend!!! and he was like bla bla no shops are going to open on midnight, you think im stupid?! but they are! now he just switched his phone of. **** sake man i'm so pissed that he doesn't even trust me! is he feeling jealous or something?? all the time i'm just with his aunt at home cause i'm homeless at the moment and he is living somewhere else with his foster parents..