IC
hugging: sure!
kissing: you can try. he is a teenage boy and will act as expected.
flirting: go for it. he is not smooth.
fighting: arguing, yes. physically, in most cases, yes, as that's part of his job. if you're unsure, give me a yell.
injuring: see above, but call me out if you don't know, as per usual.
killing: check with me.
telepathy/mind reading: yes - but you might want to just let me know what's up so i can give you hints in my tags!