Felicity: If you're happy and you know it, clap your hands!
Hayate: [Silence]
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Hayate: Stop annoying me!
Rosie: You decided to adopt me. You're stuck with me.
Source: Missenell.

Hayate: What are the symptoms of teenage depression?
Felicity: Why are you asking me?
Hayate: Grell was doing laundry earlier and she dropped a sock and I heard her say ‘why have the Thayne forsaken me.’
Twitter.

Grell: Is this perfume or alcohol?
Hayate: [Grabs bottle and chugs whole thing]
Hayate: Perfume.
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Felicity: Now, Rosie. What do we say if someone asks you out?
Rosie: BEGONE THOT!!!
Felicity, tearing up: I'm so proud of you...
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Felicity: So this guy is giving me trouble.
Hayate: Then kill him.
Felicity: Wha-no!
Hayate: Then I'll kill him!
Felicity: Hayate, NO!
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Gwenael: Hayate, can you ask Felicity if she likes me?
Hayate: You guys are dating.
Gwenael: Yeah, but can you-
???