We won't. The desire is to be connected to a real living woman. Toys can't get sophisticated enough to make you believe what you prematurely know to not be true.
Yeah that's what meant by fully "functional". We already see it with people purchasing sex dolls and even the AI powered ones that have conversations. If a AI dolls is indistinguishable or at least good enough from a human female I bet we will see a change as the populous is satisfied.