Ok so this has been on my mind for a lil while i have been dating this girl for a while?

sh has 3 kids and she is only 20 but i can see past that. her kids are so cute and fun at the end of the mounth we decided to have me move into their house with them and be more of a father to her kids. none of witch are mine. she is comming up to where i am for 8 days of pure and fun and relaxation and to spend time with me. then we are driving back to her house. she gets 20,000 a mo and she said she doesnt want me to have a job and to stay home with her and the kids. she said i will have my own code to get in the house and shes setting up a cell plan for me. she wants to take care of me. and wants me to help her raise the kids. i dont know what to do if i should or not so some one give me the best advice please