I was thinking pissed off wife?
Herpes?
The best cure for "wife ack" is to deploy chaff: $...$$....$....$$$.....$ .....$$$.....$ ....$$
Or a frisky biting one
Red scorpion bit him; definitely the work of red scorpion venom making that lip swell-up.
It could be a tumor. Seeing how long this thread will last.
Actually he is the long lost heir to the Hapsburg Dynasty....Regards,Kevin