Re: my fiance..
See... even when he's in stress (you can easily notice it from his behaviour) just ignore it.. some people don't want to discuss the things when in stress... and when the things are pretty normal, then ask him politely what happened that day?! But mnake him relax by talking anthing light... (I know its difficult, like when somone is crying infront of me, even though I dont know what's the reason behind, I start weeping too... I go with the swing)
Tell you my experience, when my fiance is under stress, he too yells.. arguing him in the situation (even genuinely) further aggravates the situation... and I deals teh situation in two ways; if like he is yelling onto you stupidly (with any element of insult), I ignore it once, not the second time... I directly throw up the phone... Girl! show him that what he's doing is wrong! Second option ease him up..
And if this is persisting too long.... don't leave him! Kep on asking him... Ignoring him means you're telling him that "I don;t care what you're"
And yaeh dont take the things over your nerves! man can get easily stressed out than us, than have more responsibilies... !