When I look at your feedback comments, I can't see what you have bought.
You can see more detail because it is your account.
I can see the items you have sold in the past. If you don't want those details to be seen, then you have to use 'private' listings' - this should come up as an option when you list items for sale.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)