Clampering onto his back, and as no one was looking she brushed her lips against his neck at the same time she wrapped her arms around him.
"Oh, I'm pretty sure for all you Gryffindor charm you're something of a gentleman; chivalry and all that." And if he was going to take advantage (or try) he'd have done it by now, certainly not warned her. She beamed at a few students above her; so she was having fun, they could get over it.
Slipping off his back she brushed her hand against him. "Yeah? Ok, works for me. What kind of project?" It was rather odd to be visiting the greenhouses when she didn't have class, it wasn't that she didn't like the Professor, it just had never occurred to her