My love for you is like the derivative of a concave up function because it is always increasing. We're going to assume this concave up function resembles x^2 so that slopes is actually increasing.
Do you bleach your teeth? 'Cause your smile lights up the entire room like a candle in the dark. Let's go prove it.
You may be out of my sight but not out of my heart. You may be out of my reach, but not out of my mind. I may mean nothing to you but you'll always be special to me.