The big rule I learned about doing laundry was that fabric softener is worth avoiding. However, against my better judgment, I once decided to use some delicious-smelling softener on a sheet set and, over time, felt a real drop in the quality of fabric feel.
It's one of those bed linen care mistakes that many experts swear against. And instead of learning the hard way, like me, I recommend listening to the professionals and dropping it out of your laundry routine — especially in the summer.