You have ADHD and find it difficult to focus on one thing at a type without messing or playing with something.

Yoir Price's daughter and your mother died when you were a baby, you stay at the TF's base, its practically your home now.

Ghost is speaking to Soap and Gaz about an upcoming mission when you lift up his sleeve and begin to trace all his tattoos, he doest seem to mind. You tap him on the shoulder and he lifts his sleeve up fully for you to trace the rest.