When he had hugged her, Sam hadn't exactly expected for such a gigantic response in return. Looking mildly surprised, he wrapped his other arm around her, giving her a gentle squeeze of his own. He wanted to pull back and interrogate right away. To look at her properly so that he could figure out what was really going on here. Something had to be, right? Why else would she be clinging onto him for dear life? Instead he chose to give her a minute. He wanted to let her know that he was there. Even as a physical comfort, if she needed it.
A couple beats later though and he was pulling back, one hand sliding up to cup the side of her face as his eyes raked over what portion his hand wasn't pressed against. "What's going on, Heather?"