It made Tina laugh to think of McGonagall's face to hear that pitch, she was certain he would absolutely hate it.
She tipped her head to the side, giving him a face that clearly read she understood that one. She only spoke to a handful of people, it had taken over a year to truly open up to Liam. This was the fastest she had warmed up to someone, and she was so thankful that her anxiety wasn't getting the best of her.
"Lab rats?!" She shrieked, laughing as she grabbed a pillow from beside her, to lightly bop him on the arm with. "Lab rats? Really?" She shook her head, smile still so big. "If mine is something about how I have plants to kill people, yours has to be something about poison."