How can I gain my boyfriend's trust back? (Continued)

thanks you know i have been told that by most ppl its a pretty stupid excuse its not like i cheated on him or anything .. i think its his new career he is now going to be a air hostee as of next tues he does his first flight i said to him the other night i understand you are going through alot of change with your new job and you prob dont want a gf and he said no my job does not require me to be single he became a lil devensive so i let it go.. but yeah his body language the other night was not like before he didnt hug me this time mumbled a little he couldnt look at me when he was talking to me it only would look at me when i was looking somewhere else and i could see in teh corner of his eye and his brother and i are close and i help him with his relationship cause i am friends with all the gfs lol but yeah and he just stood on the driveway and watched us until i left and when i got in my car and drove away then when he went inside … but thank you so much for your advice i feel weird posting my comments but i try to keep my mouth shut tomy friends now cause he got a lil upset that everyone of our friends knew about our situation and stuff so its good to have an outside view cause you know your gf’s they know who you are and your situation and they say things and you dont know if its cause they are just being nice cause you are already sad or they are just holding back from the real truth?