Answer:
I am the place to turn to when nature calls. What am I?
What is black when you buy it, red when you use it, and gray when you throw it away?
I have married many woman but has never been married
I may only be given but never bought. Sinners seek me but saints do not. (one word).
Everyone asks for me but yet everyone hates to face me. For someone I am agony for others I am relief. Who am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?