I am a frist time mom.. of a 10 month old.?

my boyfriend and i are down to one car now when we first were together we had 2.. but his car died and he does not have the money to fix it so we just took it to the junk yeard.. so now we only have 2 cars.. so i am stuck home with the baby all day long.. and we were talking the other day about getting a nother car but then just relized we dont have that kind of money.. i need my own car i am going crazy... what should i do.. if i want to do anything i have to wait until his mom gets home or if she has the day off. its drving me crazy..