I always mention in the following context: "When necessary I will work overtime, but I prefer not to. I do not normally stay extremely late because I have a ch

I always mention in the following context: "When necessary I will work overtime, but I prefer not to. I do not normally stay extremely late because I have a child that I care to see." If a company reacts negatively to that, I will not accept the job. If they later complain I will remind them that I mentioned this before even starting. And most people are understanding, or you just don't want to work for them.