1.
Someone saying the word "moist".
2.
A limp, and slightly damp, handshake.
3.
Seeing someone wearing trainers or shoes, without any socks.
4.
Being sprayed by someone else's spit.
5.
Sitting close to a stranger whose hot breath you can feel.
6.
Or their exposed knee accidentally grazing your exposed knee.
7.
When you find a stray hair stuck to you that is clearly not yours.
8.
When someone talks while eating and you can see bits of food stuck to their teeth.