I tell my sewing students on the first day that the seam ripper is their Best Friend! I think I'll name him Jack now, too!
Eyebrow razors? YIKES! I usually just ignore mine, and they're pretty substantial - just don't like the pain....but maybe I'll pick some up to use for my (frequent) un-sewing
How come I could give birth 7 times with no meds, but can't stand having my eyebrows done? Even "threading" which my dd told me didn't hurt as much, really DID!