Question

which sentence is correct?
1, After the operation, Bo said he'd never felt so good.
2, Bo said he never felt so bad
3, Bo said he'd never felt so badly
4, Bo said he felt well about the race

Answer 1

i think that it is 1 but i could be wong, sorry if i am wrong.

Answer 2

4 is correct. It's the only one that makes sense in this case.