You have dozens or hundreds in the house that you had to get at the time but you have only played them once... and you don't want to part with them.
...you decided to just keep the records that meant the most to you and the collection now has one fewer record.
Umm Modified: ...you decided to just keep the records that meant the most to you, and the collection now has 500 more records.
...your SO's family comes over for the first time, peeks into the room that holds your CD collection, and someone murmurs "Oh, my God."
You Know You Have Too Many Records When.... You listened to something in your library and you have no clue what it is