imagine if you cringed every time you saw two people shake hands. It's hardly reasonable to ask them to stop doing that around you, but it's also really hard to avoid being around.

Positive Bias, you strike again. I hadn't considered the idea that nothing is really wrong. I recommend the writing outlet, so you can figure out what it is that bothers you. If it's really nothing, you may have an Ugh Field to deal with, and writing it out should help notice the issue.