I only learned recently that Felix nearly had to pull out of the jump due to claustrophobia from the suit. After CBT he was able to tolerate the suit and complete the jump. https://abcnews.go.com/Health/skydiver-felix-baumgartner-ove...
Wearing a spacesuit, you can't scratch your nose. You maybe don't think it's a big thing but try sitting one minute without touching your face.
I've also read that many astronauts put strips of adhesive Velcro in their helmet for this purpose: https://space.stackexchange.com/questions/42012/nose-scratch...