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Mathematics conferences are a huge ego boost
(sopuli.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
This is a science community. We use the Dawkins definition of meme.
In my (personal) experience, mathematicians have absolutely no difficulty to let their colleagues know when they don't understand a concept. It seems quite normal to reach your max level of abstraction in the field.
In physics, it can be seen as a weakness sometimes. And some people will pretend they always understand everything.
Not always true of course.