Zach was going to leave after lunch, and obviously Romilda was as well. Zach hoped Hestia would stay. Not that many people stopped by Experimental Charms regularly, so Gilbert and Hestia would have a bit of privacy and time alone. He didn't expect Gilbert to do anything scandalous. But who knew, a kiss or two?
"I wasn't going to be exploding anything this afternoon anyway," Zach commented with a grin. Explosions didn't always happen, and sometimes they were good. But it was always fun to try stuff.