(Disclaimer: I realise this kind of stuff is totally unimportant in the scheme of things, but right now thinking about trivia is somewhat helping to take my mind off what's going on in the world, and I'm sure I can't be the only one! 
)
One of my 'irrational pet peeves' is DH doing that 'Uh, uh, uh, uuuuuuh' thing that people do when they yawn. Perhaps it's just because he really 'milks' it and it gets on my wick, but also... maybe I'm an atypical yawner so to speak, but... I never make a noise when I yawn. (I'm not stifling the noise, it just doesn't occur to me to make a noise in the first place.) So I don't really understand it when other people do it.
Genuinely curious as to whether it's just me... and also hoping someone can enlighten me on why people do it - DH just shrugged when I asked him.
YABU = I usually make a sound when I yawn
YANBU = I don't usually make a sound when I yawn