key word is wife.There is a major difference in capacity between a 12 ft boat and a 16 ft boat. We have a 16 ft boat and if you are looking for family multi day floats a 16 ft boat is a good all around boat especially with a couple of kids. A 16 ft boat wouldn’t be an ideal R2 boat.
A 12 ft boat doesn’t hold much gear for overnight they are also a bit more adventurous in bigger water. Especially if too heavy. It R2’s well though.
It sounds like you have a decision to make and only you and your wife will be able to make this decision.