When you are a single parent, a large and active network is the best support. Building such a network doesn't need to be hard. Start here.
Does sex still feel like something that other people do for fun? Are you just not that interested? There's no reason to worry; you're not alone. The important thing is to keep the intimacy alive.
What Doctor Spock said already in 1946 still holds true: The key to Mom’s confidence is: “Trust yourself; you know more than you think you do.”
Returning to work after becoming a mother can be really strange. Now that you're back, it's as if nothing has changed.
There are ways to smooth the transition for a big sister or brother. One is letting them feel as jealous as they want to.