What are your feelings on trimming an index fund?

I don't claim to be an expert on investing. And yes, I understand the goal of index funds is to leave the money in unless the fund is greatly underperforming or vastly over performing. But I got in when the market bottomed in the summer of 2022. Since then my investment has grown by 46.27% when the market avg would normally have been 22-28% over the same amount of time. With talks of a recession do you think I should trim part of it or just leave it alone. I suspect most are going to say leave it alone. But I'm interested to hear others views.

What are your feelings on trimming an index fund?
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