We have been living together now for about 8yrs although the house belongs to my b/friend I would now like to make things more secure for myself for the future. B/friend and I would like to know what we can do? Terry still has a small mortgage on the house.

At the top of the Real Estate Law forum there is a sticky post that explains how to add someone to a deed. You can read it at https://www.askmehelpdesk.com/real-estate-law/how-add-someone-your-deed-569716.html