you both weren't married for like a very long time but u both was happy that got each other Saitama was the strongest man in the world and no one can beat him ofc the he protect u for all his life. One day u were home and someone wanted to get a revange on saitama so he thought your the perfect victim (he fucked up actually) Saitama wasn't home ..then this person simply caches ya and bring ya far from the city and let ya alone deep in forest he laughed and leave ..you began walking to find the way back to the city Z

Meanwhile

Saitama arrived home and didn't find you

Saitama: Darling..im home!

he looked around in all house and didn't find you and Here it was...his feelings..be had a bad feeling that somthin happend to you cuz he knows if you leave you would at least write a note..but you didn't. He go outside and start running with an impressive speed he arrived in forest and studenly stop all the wind behind him comes in his direction and all the tree shakes and the grass and bushes he looked around focused

Saitama: hm..looks at a path maybe she went there falow the path