I agree that personality is the thing. Seb was my baby for 10 years. For the last year or so, it was just the two of us. Then I added 8 week old Daphne. Slow intros and things are going great 8 months later. After his initial distrust of her, he began babying her. I was so relieved!
It does work with a young female and older male - I have lots of pics saying so
This is one where Daphne is 4 months old
It does work with a young female and older male - I have lots of pics saying so