[ it was actually really nice, just being like this felt good. and maybe the fact that america was also a sanguis put him a little more at ease, like he doesn't have to be as careful as he is with everyone else. ]

Hm? Why wouldn't people care? It seems like there are quite a few people that really like you and enjoy your company... so if they were aware of your birthday they'd be more than willing to enjoy the day with you.