Dragonets can injure your character (cuts, scrapes, bruises). Further injury permissions for events such as mauling are chosen in your candidate's biography thread in the table at the bottom
The Hatching Host, or role player writing the Hatching event, has conrol over all dragonets until they Impress. Once a dragonet Impresses to a character, that character's role player now controls the dragonet.
Dragons do not Impress according to a candidate's sexuality
Dragons do Impress according to a candidate's biological sex