Twice, at the same thrift store- discovering an outfit I had only dreamed of finding, and once I put it on, I wouldn't take it off- had them remove the security device from the hems and rip off the price tag, and I wore it out, stuffing my incoming outfit in my purse!
I treasure those two days, and my heart is in my throat even now when I put those dresses on.
I have had really good luck finding things, and I feel that rush of excitement often in the dressing rooms, when I see myself as I always hoped I could look. Worst case I am just very happy with my purchases and look forward to getting home and altering them a bit to fit- but that still qualifies as excitement in my life as well!