Alternately, you may post a statement like, "My PC builds a raft and sails around the island" or "Player X and I have decided that our PCs get it on like bunnies" or anything to that effect. If you want to RP it, feel free, if not, then don't.
. . .Oh, and watch this space for news and announcements about the Next Big RPG (NBRPG); you folks will get first opportunities for joining up and picking characters, for all who are interested . . .