Please forgive the snarky response but... Don't be embarrassed. Embarrassment is in your head only.
This seems as useful as telling depressed people to stop being depressed. Fear of embarrassment is one of the strongest drives humans have. Probably appearing to be a fool in the ancestral environment led to fewer mates or less status. It's not something you can just voluntarily turn off or push through easily.
The best strategy, I think, would be to work around it. Convince your brain that it's not embarrassing. Or that no one cares. Or pretend no one is watching. Or do it around supportive friends.
If it's worth saying, but not worth its own post, then it goes here.
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