Anonymous wrote:The time to discuss whether you can be good parents is before you start trying for a baby. Also you talk about your wife like she’s going to be a single for parent— why can’t you take your stepdaughter to the occasional dance event if you’re worried your baby isn’t going to get enough close time with their mother? Now is a great time to think about stepping up your contributions at home.
This. You'll have to step it up at home - caring for the new baby AND taking on some responsibility with your SD.
If you expect your wife to do the bulk of childcare, it won't work.