What would have happen to peeta if finnick was not in katniss and his group

I think that would have been it for him.
His 心 did stop, and, like we all know, 你 are dead when that happens.
Katniss may not have known what to do.

Then he would've died, sadly, because his 心 stopped and Katniss didn't know what to do.

he'd be dead..i <3 Finnick!!

I would cry that Katniss no longer has her 爱情 and the future father of her children!!!