I am a curmudgeon. I understand people in stores are there to help, so even if I don't need their help, if they insist, against my better judgement, I let them help anyway. 99.9% of the time, however, I find them worthless and that the time spent explaining what I need does not offset the time necessary to find it myself. I'm just stubborn like that, but I don't want to come across as a total ass, so I let them help. Case in point- An autozone sales associate offered to help find the correct oil filter for my car. By the time I had found the correct oil filter (by looking through the book next to the filters) and brought the oil filter to the checkout line, the entire Autozone staff had racked their brains on the computer trying to find the right oil filter, only to inform me, that not only did they NOT have the correct filter, my car DOES NOT EVEN EXIST. I thanked them for their help, and asked if it was okay if I bought the filter anyway, and drove off in my imaginary car. The car in question is a 2005 volvo xc70. They informed me that I have been driving an xc90 for the last 10 years.
Although it was humorous, it was also kind of annoying. While I was trying to remember the parts # for the filters and see if they were on the shelf, three members of the staff were asking me questions about my car. All I needed was a little bit of silence to remember the oil filter number and find it on the shelf!
I thought I handled myself fairly well, but I struggle with this kind of stuff!