Can't, everyone is different, that's the reason why people are incredible. Just pay attention to.. Blink rate, breathing, body movement speed, cadence of voice, context and the environment.
(the last two the most important. someone can feel comfortable in a crowd, or completely out of place.)
So not Senpai, then. His expressions are really subtle, most of the time. I know him well enough that I can read them, at least, but I wouldn't say they give away that much...
[Except when she embarrasses him on purpose, which is really funny, but unhelpful for this.]
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(the last two the most important. someone can feel comfortable in a crowd, or completely out of place.)
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I think I can do that. I kind of do it already, anyway...
[Except before, her Personas would give her little hints when they were closely related to whomever she was talking to. It's harder without that.]
Do you have any advice for how to practice that?
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(which is very funny for a mafioso. anyway, easy dunk, moving on,)
Someone whose expressions give a lot. So you can make a mental map for them.
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So not Senpai, then. His expressions are really subtle, most of the time. I know him well enough that I can read them, at least, but I wouldn't say they give away that much...
[Except when she embarrasses him on purpose, which is really funny, but unhelpful for this.]
I'll have to think about it.
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[She furrows her brow.]
How?
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(he is worsening her so much. goddamnit.)
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[She taps her finger thoughtfully against her lips with another hum.]
Or his general posture, too... if I start with someone I know well, I can start figuring out what's different!
[Yeah that's literally what he said.]