Is it okay to express regret over voting for Trump?

I voted for him but all he does is start sh*t and post childish Tweets. Plus he's said a few things that are very un-Democratic.

I tried to stay the course but there's nothing left to support. Is it okay to tell others that I regret voting for Trump?
Update: Some of the answer accuse me of lying. This is one of the reasons I'm hesitant to admit my regret out loud.
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