Or get in shape to run away from them... They've nasty pack instincts, trust me.
Edit:
Who said anything about "breeders"? You could be the uncle that gives piggyback rides. Maybe you're training to be a pack animal, or an apprentice fireman working your way up to carrying adults. Maybe you're a Big Brother or Big Sister and you want to be in shape for some physical fun. Maybe you actually like kids, but as a non-breeder, you're limited to adoption--works on them too. Maybe you have a desire to assist in a worker retraining program, for those
poor youngsters displaced by technology.
There are plenty of creative interpretations beyond "breeders"!