I would guess, if the cousin never was present durnin the bullying there was not much he could have done. He was just a lil boy as well back then. And even going after the jerkass like the MC did, would have 50/50 chances of helping or blowing up. So no wonder, if FML didn't say anything he was...
Sora was surprised that everything in the bar was very delicious. The owner explained it was thanks to his broth that he menaged to perfect by working hard on the basics of cooking. So Sora got inspired to work hard from the ground up to become her own fine broth.
Yeah, it's a bit too bad that he didn't confide in the retired adventurer elf lady, would be quite wholesome if he had a sorta complete safe space there, where he wouldn't even have to worry about Sora body being discovered and causing a misunderstanding. Instead it's not even addresed
Well, from a more positive perspective, the message may be 'appreciate the less grandoise/extravagant things in life, they are worthwhile as well'
Also, LoL, what a brat (affectionate)