please!

We've been working with Nate on saying "please" (and "thank you," but we haven't gotten anywhere with that one!) He doesn't say it on his own - I hear that may take years - but if you ask him to ask for something nicely he will oblige. It started out as a simple "please" and then morphed to "please please please!" We apparently must consistently reply, "okay" to Nate's pleas, because as of a few days ago, it's now become "please please please! okay!"