I made my gf feel bad and sad. can i make it up to her?

well we were laying in bed last night she was leaning on me and we were watching porn. she was not paying any attention so i was picking the videos and i watched one with a girl that had really really big boobs. and she was sorta paying attention and after that video was over she said what about this one we were watching it and i said man her boobs are small. my gf got a sad look on her face and said they are probably a c that is not really small.then i said i would never go out with a girl that small ( I DID NOT MEAN IT) her voice was shaky and said why not i said she is too small she said (in a shaky voice) oh. she moved she lay ed down and started txting. she txt my best friend and ask him if her thought i really meant what i was saying he said no you know how defensive he (i) get when people say they are small or stuff like that. she then txted her best friend and just told her and talked for a little wile. ( i red her messages i know i should not of but i did) she feel a sleep and in the morning when she woke up ( i was all ready up) i said good morning and she good morning :(. and i said why did you gust go to sleep last night and she said because i did. i said why did you take that offensive last night when i said she is small she looked like she was going to cry and she had a bra in her floor by her bed and picked it up and threw it at me and i read it 32 or 34 a ( i 4got which one she wares both). and she stuck her hed in pillow and started to cry. i did not mean it at all!!!!!!!!!! how can i make it up to her ?????????? please help

how can i make her feel god about her size?

how can i try to make what i said up to her? any ideasI made my gf feel bad and sad. can i make it up to her?
Tell her the entire truth, yes C's are small, but that doesn't matter to you because with her it's not about bra size, it's her and her alone and that you don't want to be with anyone else. Hold her, do whatever feels comfortable. Maybe buy her some flowers and surprise her with them when she gets back. You NEED to make her feel wanted and important. Go out of your way and do something for her bud. Take it easy.I made my gf feel bad and sad. can i make it up to her?
Get her chocolate and take her to her fav place or somethin-- shopping maybe?
you should try not being such a douche. you should feel like a jerk because you are one. i hope she moves on.