Let me just start this off by saying that I live with my girlfriend, and while we are not married, I am very much in a role of a SD. Also, it is not a question of if my GF and i are going to get married, it is when.

My GF has 2 sons, one 8 and one 4. Her previous husband and their BF was an abusive man (I will keep my comments about that to myself), so that kind of makes things hard.