Help boyfriend in jail.

My boyfriend is iin jail and we was living with his parents, alot of stuff are going on his dad is like bipolar i dont know what to do, i really love my boyfriend n i dont want him to feel like im living him but his dad sonetimes make me feel bad. My mom is 3 hrs away n my boyfriend is scare to loose me, which is not going to happen. I talk with my mother in law n she told me not even think about living the house. What can i do?