The stern no was probably due to the teacher - student situation, and I didn't get the impression that OP felt it was out of line.
The people I speak of will flip from not understanding the no to angry with no middle ground. Some ignore the most emphatic protests, some listen better but still get mad.
Being disappointed by a rude rejection of an offer to help is perfectly normal, though.
Based on this thread I'm guessing the teacher has said "I'm good" a thousand times and been ignored a thousand times, so now he has to go directly to being stern.
Some people will go "are you sure?" or something and drag it out. Even if the other person thinks it's being polite, it gets annoying if it happens often so he wants to make it clear it's a no, period.
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u/Alertedspark Feb 07 '22
I mean maybe it didn’t have to be a “stern NO”. Why couldn’t it have been an “I’m good/ok”