Maybe it was because I was his little girl, and it didn't help that his little girl sometimes had horrible high blood sugar attacks, but my dad was always over protective of me. I remember the 3rd boyfriend I had brought home.
My dad really made sure my boyfriend knew about his shot gun in the shed, and warned him that it would be wise to have me home early that night. That guy looked so paranoid the whole night, and I was so embarrassed that I went home screaming and yelling at my dad about his behavior.