What do you think may of happened in this scenario

My boyfriend was meant to go to away with his mate for the weekend working, I found out today that he hasn't gone and he rang his mate up and said his mamma had fallen, (which she hasn't ) and that he couldn't go as he needed to look after her, so anyway I have been texting him all day and I got no reply until he sent me one saying we are over because he can't be the man I want him to be, which I have no idea what he is on about as I love him the way he is and a txt saying he has been a knob head, anyway I go to his house as I was ment to be dropping off his medicine as he has a brain injury from being assaulted and when I got there he was very very drunk he took his meds and went to sleep, I took his phone, as when he gets like this (with injury and alcohol don't mix) and he rings everyone and anyone, so I got his phone and I wanted to try and peace things together why this has happened so I looked through his phone and find that he had been ringing a woman or he could of rung several as there were several unknown numbers on his phone, anyway I checked his texts and one said can you txt me please and then said from him can you come see me her reply was what is the post code then another one said his postcode then her reply was sorry baby but that's too far. Am I reading in to this the wrong way

Sorry if it doesn't make sense or I am reading into this situation the totally wrong way, I just don't know what to think of it all.

Oh I forgot to say he won't talk to me either