Quite possibly, this is the cruelest thing that you could do to someone. Particularly when you don't understand it or only know part of the truth (at best), anyway. Let people live; let people learn. (Those are not my words but well said.
I am who I am. Like me, love me. Know that I am a rue friend to the end and ask for nothing in return except two things, don't hurt or use me. Seriousley I am the most loyl person you will ever meet and yet they all use me to catch rides and stuff.