Been on several since 1975 - great fun, but maybe best suited for group of more than 2 and of a social disposition. A week on a boat can cause tensions even between old friends, but you can always be spread out over a couple of locks or at opposites ends of a 70 ft boat, and when everyone has a job to do, there isn't time for arguments.
TBH I don't think I'd do it as a couple unless both are already canal/sailing/think getting wet mucky tired is fun types.
TBH I don't think I'd do it as a couple unless both are already canal/sailing/think getting wet mucky tired is fun types.