I Found My Dad's Reddit Account. I Wish I'd Never Read It.
A lot of his posts were heavy. They consisted of complaints about his life, how he resents his family, and then feels guilty about feeling so resentful.
My 16-Year-Old Did Something Big Behind Our Backs. I Don't Want to Tell My Husband for Two Years.
"Shitty" may be a bit too vague; is he going to slut-shame your daughter? Call her out her name? Punch a hole in the wall? If you think his response will be in any way harmful or hurtful to your daughter (and/or you), then you shouldn't tell him.