I've read the other posts about proper shoe sizing, but I was hoping to get your opinions about what I should do in my particular situation. I wear dress shoes every day for work. My New Years resolution was to start wearing shoes that didn't fall apart in a few months. I went to the Allen Edmonds store an hour from my house to get sized. They told me I was an 8EEE but they, understandably, didn't offer me any shoes to try on because I was looking to get a pair from shoebank. I got my 8EEE Park Avenues this week. I wore them one day and developed a 1" x 1" blister on my right heel. It was noticeably tight on my right pinky toe. The left foot felt snug, but OK. I found a pair of 8.5EEE Allen Edmond Wingham loafers used and have worn them a few times without issue. They were a little loose at the heel so I added a tongue pad and they seem just fine now. I contacted the very nice people at AE who agreed to let me trade them out once since it was my first purchase from them. My question to everyone is, should I trade them in for the next size up or hold on to what I've got and try to break them in? I know the Park Avenue last runs narrow but I don't think it should change what your proper size is. I've seen opinions that shoes should fit perfectly when you first put them on and others suggesting even AEs need a break in period. Thoughts?