They're Lannisters, I'm not sure they're child friendly either honey. Just be yourself. That's what he'll want from you.
I think he might appreciate the red and gold. They're very big on what they are. On the proud tradition and all. But possibly keep the legs hidden, that could just be unfortunate.
No, its normal. I mean, so I hear. This isn't anywhere close to how far I usually get with guys, meeting the family. But just go slow, okay?