Why am I 'attacked' by Mrs. Bimbo when I go back to my cabin

Hint 1 of 4:

Blame it on the night, and the romance of the cruise.

Hint 2 of 4:

Did you go into Mrs. Bimbo's room more than once before going out?

Hint 3 of 4:

Don't!  3 safe entrances to your room is all you get.