Since I can't take another dog in my home I can't get a rescue from the Long Island bulldog rescue so I just send cash every time they send me a bulldog sobb story. That being said.... Your damned If you do and damned if you don't here. It's unfortunate that the hubby is not on board but hey, those dogs need homes. And giving a bully a forever home is never a bad thing no matter who it puts off. If Otis is an elderly dog he might be a little aggravated by a younger male dog running around in his space but It won't affect who he is. LIBR is good about screening for wether or not their dogs can go to a home with existing dogs/cats/kids so there shouldn't be and safety concerns. I know I'm a little biased here being an LIBR supporter but give it a shot. If it doesn't work out they will take the dog back from you, I'm sure. You may even decide to keep the dog and give back your hubby........... Joking joking just joking.
Seriously though: find a compromise. I'm sure there is something your hubby wants to buy or do or somewhere he wants go that you haven't been okay with. Let him get that Harley he always wanted or the silly sports car or whatever. Find a way through his obtuse feelings toward the adoption.