Its almost been a year...?

me&&ma ex started datin august of last yr n he was the 1st boifriend I ever introduced to my parents,he said he liked meetin parents.we broke up in september we jus qot 2 make a month a day.[how sad] he broke up wit me&&if it wasn't for me he would have jus kept me around.anyways we still was friends&&still messed around he always had a new qirlfriend.we qot back together on&&off.&&around feburary he had qot locked up&&had a qirlfriend who bailed him out&&he told me was jus wit her bcuz she bailed him out&&was jus usin her cuz her family qets him side jobs so he basically lives off the qirl cuz she has a car&&nice biq house.he was with her&&told me he wanted 2 leave her&&qet married&&have kids wit me&&an apartment.after 1 day I saw him wif his qirl&&ma friends hate dem he called me a *****.,cuz ma qirls were tlkin junk...after tha he called me all kinds of names but never did I tell his qirl tha he said those thinqsz..do u know why he changed on me?