He had several certificates, he was intelligent, so old and you... you were barely a girl, but so smart that even he forgot that it was wrong to feel this way

You could be his student, his daughter, his sister but how could he think like that, when when you were in front of him all his seriousness, his sanity, his control... just instantly went away

"so..this..equation.." *

He said while looking at you, you looked so absorbed in your thoughts, he didn't even mind if you weren't paying attention, he just liked seeing you and being with you