It was actually going to be the other way around and then I realized my Andy is hesitant only when he's not certain of other people's response but he knows John and Tish are both attracted to him and to each other, so he's not about to let the opportunity for love get away from him, even if he's venturing into uncertain waters. I also realized it would be John who would have second thoughts, because he he aware of the prejudices of our current era through historical perspective. He and Jack are literally living their own history...