What do you think i should do?

ok here goes nothing......me and my gf have 2 kids, our relationship has been more bad than good.. its not that we dont get along, we just think we are not meant for each other, we are 2 seperate people, but thats what attracted us, she likes wearing south pole and listening to rap, i dress hollister and listen to hip hop and some clic rock, i will list some pros and cons of both of us her pros are 1. dependable 2. commited 3. keeps a job thats it... her cons are 1. she lies or sugar coats things 2. selfish she will buy herself a coat before our kids 3. complains about everything 4. never can admit to things being her fault 5. always the victim 6. never cleans 7. doesnt have a backbone... no me pros. 1. loyal 2. honest. 3. to careing 4. creative 5. cleans 6. cooks 7. takes cares of the kids 8. works cons 1. depressed 2. smokes 3. sometimes thinks negative....well you get the jist. we are staying together basically to see if it can work out... her parents hate me because of her crying wolf, my parents like her because i dont talk about the bad.. she tells me she doesnt love me anymore, and when she gets attention from other people she is all smiles but when she gets around me she is a total *****... we never go out because when we used to my freinds hated her telling me she never talks and acts to good, and my freinds never judge anyone..she depresses me im not a bad looking guy and im sure i could find someone else i just dont want my kids to look at me like a failure, im deeply depressed this is how my day goes, i get up and do nothing but watch movies all day with the kids and then i get on the net and dont go to bed around 3am i dont want to go out, i dont want to do anything, but she gets to do everything she wants like go to bars and drink and im left at home but if i go out she will be texting me all night telling me how much she hates me. i dont know if this helps but her family is full of cheaters and or divorced ual pediphiles and my family are fighters still together and married and work thru anything... sorry i rambled on just had to get it off my chest thanks in advance