I'm at a loss at whether or not I understand the punchline of the joke about exploding, but I'm leaning towards probably not. Not saying it isn't translated right, but it almost sounds like a translation error because it's so bizarre.
@goodie-bag Its not a joke, his... let's just go with energies - are so op if he were to destabilize them, i.e. getting aroused, apparently. He'd explode somehow. That energy is why he was able to ignore that one succubus's charm.