About the Rukia thing I dont%uFEFF believe it myself. I think it was an exaggeration that shes captain level. Maybe Vice Captain or third seat but Captain level is pushing it. Thats just my personal opinion especially since the fact she does get 'kicked around' easily.
Thats exactly it! Because hes a random human, who is he going to tell or do? Its like telling a stranger who you have a crush on. They might know but what are they going to do?