You’ll probably never see the people on the elevator again anyway, and they definitely won’t want to make eye contact with you as you do one of those ugly hyperventilation cries (believe me), so let it all out, dude.
The operation of lesbian sex is one of most coveted secrets of humanity. I know this because I am frequently asked for a short tutorial on the subject by strangers and acquaintances who seem to be unable to find suitable answers via the Internet.