Things with which Bug used to share a common feature:
Some old people
Things with which Bug now shares a common feature:
While you're pondering on that, let me talk about Bug's bowel movements. I know she'll be thrilled later to find that I've shared this with complete strangers the world over:
Eating banana baby food for 2 and a half days makes Bug constipated.
It's like she's a real human or something.
Anyway, answer to the riddle:
Our baby now has teeth.