Comment by JSoet

Also on the sleep topic, I would recommend discussing with your SO about how you plan to deal with lack of sleep and increased stress _before_ the baby arrives. When the baby arrives you will quickly be thrown into a high stress situation where both people are operating on very short fuses and things can easily be misinterpreted. Take some time to discuss beforehand what is expected of each other, and how you can plan to deal with lack of sleep and increased stress, so that you hopefully have a plan of attack before you're in the thick of things