[Phalanx]

Possible solutions...

1: I assume usually tou bathe in hot water? The water particles/steam in the air may absorb the gas somewhat and carry it more effectively, and/or in a slightly more solid state to your lungs, past your nose and mouth, therefore making it seem more potent?

2: I think I know this one.
Yawning is meant to be a sign that you are mentally and physically relaxed. Not neccessarily tired (although one does feel more relaxed when fatigued, especially physically), so if you were even in a class and had a bitchy teacher who snapped at you for yawning during their class, it was more than likely nothing to do with intended attention span, more the fact that you were relaxed in a familiar situation.
The domino effect? I'd say that it's bought on initially by the subconscious psychological effect of witnessing another person obtaining a relaxed state by which they indicate witha yawn...you see it, and hear it, and I think that part of you responds in kind "well, if theyre relaxed it must be all good..etc", and in turn, you obtain or start moving towards the same state?
That's my best guess.
Ok, now someone work out mine.

Keep 'em coming...

Oh! I got another one...that thing where you're walking towards another person...then you try to go around them and they try to do the same, and so on and so on and so on...WHY does that invoke so much fury? I don't know if it's only me, but when it happens, even though I acknowledge that they're only doing what they perceive to be the polite or logical thing to do, as am I...after the awkward part of getting around eachother, as I'm walking away, I just can't help but think "fucking idiot..."
Is that...just me?
I find it infuriating, and it's such a small thing...

One more - why in the fuck don't shopping centres do more to stop their trolleys from getting stuck together?
a monthly oiling may do the job, but no...it seems too much to expect, and we continue to get the trolley conga line thing happening, at least every couple of times we go shopping.
Is this not something clear to the staff as well, when they see people physically abusing their trolleys in a desperate attempt to get them undone?
whooboy.