He really was acting weird, Lavender had half a mind to shake him, but the other part of her decided keeping an eye on him was a lot better plan. She was flattered that he seemed to want to spend time with her, just confused at the way he was acting.
"Well, we could always try that kiteboarding again," she suggested, maybe getting him to do something physical would shake him back to acting normal.
"Or we could always just be lazy and go to the cinema." She offered, really Lavender wasn't too fussy about what they could potentially do. "But as much as I appreciate you offering to help me clean, we can do something more fun than that. I can clean another time."