I go back and forth on this; on the one hand, yes, I don't owe my team an explanation about why I'm taking STO. On the other, me making it clear that I'm taking

I go back and forth on this; on the one hand, yes, I don't owe my team an explanation about why I'm taking STO. On the other, me making it clear that I'm taking a mental health day may encourage another engineer (possibly a more junior one) to do the same if need be: emphasizing that mental health is a facet of overall health.