Ouch!

Kelly:  "We walked so much in Washington D.C. that I have a terrible blister on my foot."

Darcy:  "Me too, Kelly!  I have a blister on my foot."

Kelly:  "No, really, my blister is the ugliest, most horrible blister ever."

Me:  "Well, why don't you both take off your shoe and show us, and we can decide who has the worst blister."

 Kelly's blister

Darcy's blister

Darcy:  "Yeah, my blister is healing now, but it looked worse than that two days ago.  I had to pop it."