Night sweats are no joke! And it’s time to take this reality out of the closet and own it. Just like our grandmother’s generation didn’t talk about periods, ours doesn’t want to admit to aging. But guess what? You can invest in all the expensive face creams and neck serums you want — at some point, you’re going to stop getting your period. Like I did. Which is normal. Because I’m 50.  But here’s a surprise: The night sweats still aren’t over. I remember my stepmother telling me that her mother, who passed away at 100, still got them as an octogenarian. I didn’t believe her then, but now I’m…