Well.
I am covered on tattoos and also dress differently/colorful. And I am a really, really nice person.
There are all types of people in this world. You sound like you have a lot to offer. This reminds me of when I meet people in the winter with long sleeves and sweaters on every new person I meet thinks of me as a nice respectful, funky dressing artist. Come summer, when I wear sleeveless dresses and skirts, those same people look at me like I have 3 heads. I guess this is human nature. Everyone needs to look a certain way. We just choose to go against the flow.
I would kindly bring it up and talk it out. If not, it will really bother you forever. Not everyone works in a bank with suit and tie. Ya know?
There are plenty of people with mental illness who have our style of look and dress. You would be an asset. You would also be breaking the stereotype. Talk it over with him. Maybe you can ease any concerns he has. Ask him to be honest with you.

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