Lara was sure Stone and Lis liked each other better, which she was still bitter about because she knew Lis first. Lara should be Lis' number one bestie, not Stone. But she wasn't, and Lis always took his side. It was annoying, but something Lara had come to ignore in the time since Lis moved into the building.
So, anyway, back in the present, Lara was totally thrown off guard by the sudden grabbage and kiss attack. Maybe Stone was bi-polar like Degrassi-Craig or something. She furrowed her brow and tried to look at him, and right after turned to Lis when she came out. "...what?" she asked, confused and distracted.
Lis widened her eyes in shock once she realized all eyes were not on her. "It's great that you two can't keep your hands off each other and all, but hello, it's me time." She dropped her hand down from the doorframe and placed it on her hip instead.