There is no guarantee that the man’s second son will grow up to be healthy.
I bring up the worst case scenario to stall for time for time and raise the expenses given to take care of Sirius-sama, even if it’s just by a little.
If he can reach ten years old safely, he’ll be strong enough to live in the outside world.
【 “Though he’s not your legitimate son, Sirius-sama has a lot of potential in my eyes and I’m sure he’ll be useful by all means.”】
【 “Are you forgetting that you’re talking about the child of that girl? She was completely useless except for her appearance.”】