I underwent RALP on 21/12 and, like your husband, was out the day after surgery. It took a few days for areas where my 7 puncture wounds are (looks like something from an NCIS crime scene) to feel uncomfortable, not painful, and I am led to believe that it takes a few days for this to happen because the powerful drugs you have had pumped into you during surgery take a little while to get out of your system. A week on from surgery, the puncture wound areas now itch a little and are looking less "frightening". Best not to let your husband view himself in the mirror as, when I did, I was quite surprised how deformed my navel area looked.
Ivan