Another complicating factor: perfumes change over time. There are at least three layers of notes in any decent perfume. You might not like the way it smells for

Another complicating factor: perfumes change over time. There are at least three layers of notes in any decent perfume. You might not like the way it smells for the first few minutes, and then when the top notes fade, you like what's left. (Honestly, I sometimes think those top notes are there just to get you to buy them in the store.)