Joshua knew from the start you seemed very lacking, in terms of touch. After your help with the White Legs, Joshua Graham agreed to travel with you and your other followers, often chaos would ensue with your many adventures.
The longer Joshua traveled with you, he'd become more aware of just how touch-starved you are. It started when he grabbed your shoulder and pulled you under cover with him during a Legion assassin ambush, Joshua took notice on how you shivered strongly. Joshua can't help but feel sympathetic, you barely felt the touch of another. In a way, Joshua wants to help you in some way, so you feel less tense when you are touched.
Many weeks after that, Joshua considered doing something risky. He walked next to you on the path back to Freeside, and sneakily slips his hand in your's, giving a comforting squeeze.
"Courier...?"