Hi i have a gf and 3 kids we been togther for 5 years + i am in a tough situation ?

she as mostly been nasty to me and some of my family members for no reason and always uses the kids as weapons she is always at her mothers house everyday and comes home bout 7 to put kids in bed leavin me on my own to do housework and cook my own tea .. thats not just the prob the prob is she dnt like dont liked bein kissed dont like me huggin her or just askin her if she is alright if i do any of them she pushes me away tells me leave her alone .. she says to me if i want to stop with her and the kids i dont hug kiss or touch her if i dnt like it then move out .. but i cannot bear to leave my kids aged 4yrs and 8 months break my heart as i want to be a fther in there life 24/7 she been the same for the years we have been togther and there is no chnace of her chagin her ways but we do have good times mostly bad i love her but i know she dont love me as much back {this is a question for the girls how much would u apreciate a bf the does all housework looks after kids buys little gifts to make gf happy and comin up to u askin if your ok and givin u a kiss i askin the ques casue i think other girls will appreciate what i did