You know you're a Hufflepuff when...
You're glad you're the under-appreciated house. Ravenclaws would worry they're not smart enough, Slytherins would believe they're failing and Gryffindors would have their pride hurt. Hufflepuffs can handle it.
There's more than one use for kitchen knives.
You don't understand the point in high heels. Unless it's planting season.
You know all the House Elves in the kitchen.
You're brave, intelligent, ambitious and loyal. Hufflepuffs have it all.
The next 'Hufflepuffs are very good finders' joke teller will spend days in the hospital wing.
The next time someone thinks you're in House Jigglypuff or Snugglehug you'll make them sit on a Mimbulus Mimbletonia.
Filch has never seen you before. He finds it suspicious.
You'd rather eat one of Dobby's socks than turn down a request for help.
A good cup of tea can help solve anything.
Everyone wants to team up with you on a scavenger hunt. After all, 'Hufflepuffs are very good finders!'