Grandmas babysitting and loving it?

my daughter is 20 years old, and has a 5mth old baby that lives with me, i babysit from 7-5 so she can work, and i love it. her and the babys father wants to move out cause i smoke, but not on the same level they or the baby sleep. the babys dad lives with his parents. anyway i wish she would stay with me yet,to save money, buy a crib{shes just in a pack n play} now,soon she will need a crib, highchair, walker, etc... i think her boyfriend takes her a little for granted,doesnt help much with the baby,cause he works,so does she and so do i babysitting, he wants to spend her money at times,he likes to play his ps3 and buy his games, please give me a little advice, i would like my daughter to see this, shes sitting right next beside me but dont know what im writing