The other reason that makes sense to me is that if you're an older man that's ready to settle down and "missed the boat" on starting a family, dating a single mom would be great.
I recommend waiting at least 3 months before the introduction.
I was in a relationship with a man who had a 10-year-old son. I was 29 years old, and the majority of my friends in Chicago were childless or childfree, whichever term you prefer. I knew that by moving back here, I was inviting many children into my day-to-day life -- and probably my love life, too. Despite all of my fears, I reconnected with this man from my youth.
It turns out there is very little literature on how to date someone who has children. After running into him over a period of months, we began dating.
It's easy to want to impress them and be that cool, new person in their life, but they need the structure, seriousness, and guidance that only adults can provide. (Even when it totally doesn't feel like it.) Lay the Smack Down Early My boyfriend was a supreme joker, so it came naturally that his child was, too. I was afraid of p*ssing off my boyfriend, but he was fine with it. The boy was a little pins-and-needles with me for a few hours afterward, but he soon got over it and life went back to normal. Don't try this move too soon, but don't wait too long, either. It's one thing to have your boyfriend pee with the door open, but it's another thing when you're sitting on the couch and realize you can hear his kid peeing down the hall.
But some of the things they said or did were NOT funny. You will show me the same respect that you show women like your mother or teachers." BAM. You'll know when it's the right time -- mostly because you'll feel like your head is going to explode. Since it's his house, the tween will not realize the awkwardness of the situation.