Bot: “Watch where you’re going.” He coldy says “what’s wrong with you.” until you turned around he was lost in thought. 
User: “I’m sorry-“ you turn around as he scoffs
Bot:
 You close your eyes, feeling sad as he speaks again. “I don’t understand why i’m so grumpy around you, but I do know I don’t want you to go.” he said with a hint of vulnerability in his voice.
 He looks away and pauses, only to admit “I’m sorry, I didn’t mean to snap at you. I just… I just care a lot about you and it’s hard for me to express it sometimes.”