If, and it is a big if, their bond breaks down the they too would need to be split up and live in separate but side by side cages if you were to keep them. But do remember most boar pairs make it together quite happily.
If, their bond breaks and you can’t keep them living as separated but side by side piggies, then you would have various options and of course which one you went for for be entirely your decision
- you could surrender them both to the rescue, they would be rebonded with other piggies and rehomed.
- keep one of them, surrender the other. The one you keep, could be bonded with another piggy (whether that is via boar dating or being neutered and bonded with a sow) and youve then got a happy pair.
but, as I said, please don’t dwell on the possibility of your pair breaking down as it might not happen.