Copyediting FAQ Q. When do you set a comma before "too," and when don't you? A. Whichever you choose, the other way will look better.

Unless the copy editor corrects it to the other way, in which case your way will still look right.

Sadly, I think I've gotten dumber on these things because of technology. Grammarly, for example, routinely makes suggestions for changes that don't comport with what I was taught decades ago and I vaccilate between incorporating its suggestions and ignoring them.

as i've aged the commas have all fallen away

Too true

Too real.

The one after "so" is like this for me

I continue to agonize over that. This one has the comma, the last one didn’t

This is freeing