I've noticed that my comments often dip immediately to negative scores before recovering. Lord knows some of my comments are worth downvoting, but it's weird t

I've noticed that my comments often dip immediately to negative scores before recovering. Lord knows some of my comments are worth downvoting, but it's weird that relevant and sincere comments can get downvoted to -3 or -4 within half an hour of being posted and then get gradually upvoted into double digits.