If you are looking for realism, then this show is not for you. Because realistically he would be dead.
Not really. I’ve seen people get electrocuted like that before. When I was in the military we had a big insulated hook to pull them if they were electrocuted. They would have burns though. There are even people who have survived being struck by lightning.
Now that I think about it the main cause for their marriage crisis is her mom. The way she treated HI after her brother died every time she reached out to her affected how HI responded to HW when she had the miscarriage. Which led to them drifting apart.