Do a handstand.

You dare her to do the best handstand that she can. That should be pretty funny to watch. Hopefully she won't hurt herself too badly.

"Alright. Jokes on you, but I used to take gymnastics!"

She hops up from the couch, and moves to the small open area near the apartment door. She takes a few deep breaths and balances herself before moving her hands down flat against the carpet, and heaves herself up until she begins balancing! You're impressed. Her shirt nearly falls to her neck, but either luckily or unluckily, it barely keeps down.

After a moment, she flops over onto her butt with a thud. "Owch... Heh. I did say I used to." She laughs and so do you, and she stands back up to fall back once more onto the couch.

"Phew! Okay. Truth or dare, Jane?"