Am I over reacting because my sister used my sponge loofa?

So my sister is staying over at my place because strange things happen at her home I will not go on detail. I am a very good christian. So as a good christian that I am I open my home to my sister but she can't respect other people stuff apperently. When i went in I noticed my loofa was soaking with soap. Now that is just disgusting. People dont just grab personal stuff from someone else's belongings. I comforted my sister about my loofa she denied it until I told her it all in soap. She could have just ask me for a new loofa instead. Then she went off rubbing in my face since I became a pentecostal I have become judgmental. The point is spogebloofas are something personal its nasty to used someone else loofa and no I am not ocd.

Am I over reacting because my sister used my sponge loofa?
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