You can't have everything. There will always be exceptions. That still doesn't make it a good idea.
Showing expressions is assumed to be the default and being expressionless is more rare. That's why expressionless is useful. A pool for a singl character being not epressionless is not useful. And there are many other characters who usually don't show expressions that did not need a pool either.
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Looks fun.Got her to buy it.Mask of Hope activate!WelcomeNah, no. I've already bought something for you earlier, right?InfernooooooooPlease come again!I want that~No! I want it, I want it! Buy it, buy it, buy it!I get it, I get it!
I'll buy it, so don't throw a fit!Buy me that~He-he-he!!