"Well at least someone has sense," she said. Now that she thought about it she might have seen the woman behind the bar, but the context and lighting was all wrong, she would never have made the connection on her own. She just smirked and nodded, her body language indicating she knew how dating Ravenclaws went.
Gwenog wrapped up the bag too and nodded. "They won't hang around long, I only tend to brew in the off-season," she said with a slight shrug. She needed the herbicide for the gardener to use for a good while, and it was thankfully a potion that kept well and was innocuous enough to give to the muggle guy who did her garden, well, once it was in a reassuringly plastic spray bottle.
"I'll probably see you at the club some time then," she said, slotting the jars back onto the shelf and walking away, one hand raised as a goodbye, a little grin thrown over her shoulder as she rounded the corner and headed for the counter.