"I'm positive." Heidi said in a stern tone. It wasn't often that Heidi ever used that tone, but Ginny, having been friends as long as they had, was one of the few who had been on the receiving end of it a few times.
Seeing her friend glare at Tracey, Heidi gave a glare of her own at Ginny, though hers was more of one that asked the redhead to stop being so mean to Tracey.