Lawrence
He did, turn even more red. "Aha.." He scratched the back of his head. "S-So... How have... You been?" He stuttered with his words slightly. His heart beat was almost deafening in his ears. He lifted his sweater up slightly to wipe some sweat off of his forehead.
Sammie
"Are you sweating? Sorry!" He got worried about Gladion, "I-I'm doing good but are you? You should take off your sweater." He told Gladion, forcing the two up, still sitting down. "Yeesh, if you're getting hot you should've told me, I would've let you take off your sweater." He really cared about Gladion, he cared about how Gladion felt too.
Lawrence
He bit his lip and hesitantly took his sweater off, he wasn't wearing a shirt underneath though, so he was shirtless. Yes, he did cool down a bit, but if he wasn't red before. Then boy oh boy was he red now. He looked away quickly and covered his cheeks with his hands, slightly embarrassed.
Sammie
"Why're you embarrassed to not have a shirt on?" He started to laugh and then just pointed out that his shirt/coat didn't have another shirt under it. He always has his torso showing. He started to chuckle, "Don't worry. If it's because I'm fitter than you then..." He just chuckled some more and booped Gladion on the nose. "Oh well!"