Ricky had pushed Lucas back then she pushed past him to get out of the stall but she did not notice that Lucas had grabbed the Chronivac out of her bag when he had gotten so close to her.
As Ricky made a fast look in the mirror to make sure she looked OK, Lucas made some adjustments to her on the Chronivac.
The fast 3 adjustments he made were, first he turned off Ricky's awareness, then upped her libido before he changed her sexual orientation so she now liked boys.
Lucas then exited the stall and caught Ricky before she made it to the door.
When Lucas caught Ricky he gave her a kiss, which because of the changes Lucas had made Ricky returned with enthusiasm.
Ricky was so much into the kiss that she started to lead Lucas back to the stall for some fun.
Then........