Repost but still worthy of mentioning....
It is a common belief that SMELL has a strong influence on your memory. The food you smell can remind you of a Thanksgiving meal from 24 years ago. Hot tar can remind you of a road crew you worked as a young man.....
When I wear a mask and get to breathing heavy, my breath tastes like I've been orally intimate with a woman and didn't brush my teeth afterwards. While it brings back some great memories, it can be very distracting.