What if you can function socially, at work, can mostly take care of yourself and generally look the part, but on the inside you are a miserable husk of a person

What if you can function socially, at work, can mostly take care of yourself and generally look the part, but on the inside you are a miserable husk of a person exhausted from the neverending struggle to appear functional and normal? Is that person just having fun on speed in your view?