Oh boy...this question comes right as I have just gotten a shitload of keys!

2 keys for my parents house
1 car key for my Saturn
2 keys for work, plus I will be getting a third next week
4 keys for my new apartment (2 apartment/mailbox I will have regularly, but I am keeping the duplicate with me until I find a good place to put the other, or else I'll be giving it to my parents)
1 Luggage Key

Back in school I had a great lanyard thing that I'd use to keep them around my neck so I wouldn't lose them. However, I've had to give that up, otherwise I'd look like a jailkeeper! Right now I've got them on a ring with a watch keychain and a little Swiss Army Knife, plus all my grocery store keycards!

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Though dreams can be deceiving, like faces are to hearts; they serve for sweet relieving when fantasy and reality lie too far apart.-Fiona Apple