Yeah, this place works great, and thank you for asking these!
-I just figured that in that forum, whenever someone else wanted to play one of the characters they could ask, and if the person previously playing them agrees, they could "share". I'll post this somewhere else soon, but this was a good question.
-Kissing is totally fine. Innuendo and allusions are fine as well. The Forumotion rules say that "... no pornography is allowed..." so just interpret that as you will. If it's too much, I'll just give you a heads up.
No, no, these were great questions. Thank you for bringing them to my attention. These will probably be added to the rules section, actually, haha.