"Your sister has to deal with things on her own, just like you do. It's natural to want to look out for the ones you love, but they need to grow into their own person. She seems to be an interesting person, I'd love to see where she ends up. So...you're welcome. And sorry for snapping at you first this time, it's the leftover last word from the last time."
He reached a hand over his desk towards young Dr. Tam.