Senoirs.. please answer me on this one??

my mom is 70 and is starting to think she can not live by her self.. mom is one of those people who use to drink heavily.. but know finds a promblem with people who drink.. i drink.. my bf drinks.. we can go out side when we smoke.. but she always wants to tell us how to change.. drinking .. smoking.. yeah she may be right.. but we really don't want to hear it..but i am her only child.. so i know soon i will have to find a bigger place to live.. right now i live in a 1 bd rm apt..soon she will have to move in with me..she is very opionated.. and sometimes has a mean sound when she talks to you.. can be very mean.. my bf is not use to that type of person.. i just ignore her..she has always had a split personality.. lol once when i was a child she chase me out the house hitting my head with a broom..cause i sweep the dirt in the closet instead of picking it up..what do i do.. so if it comes to her moving in.. everything goes ok.. oh mom has never smoke.. hates it