Just walked upstairs and caught myself being a bit of weirdo... There's a mirror in the downstairs hallway, which I glanced at and saw myself looking back (obviously 
). Walked upstairs then into the bathroom where there is another mirror. Caught myself pondering about if there was any possibility of there being another dimension where there's a version of myself and everything else in my life which is exactly mirroring everything I do. The more I thought about it, the more I felt like I had watched the mirror version of myself walk up the stairs and go into the bathroom... Like I wasn't watching myself, but a different version of me. Then I realised they were also watching me and felt slightly violated 
Spent quite a while after that scuttling past mirror's without making eye contact. Kind of hoping I can get some reassurance that I'm not the only one who freaks themself out sometimes.