I've never given a damn about what people thought of me.

过去我不在乎人们怎么想我。

These were things that he had kind of made himself in the same way that he's working on creating medicine that can help these returning war vets who weren't given a damn bit of help.

这些都是他自己制造的东西，就像他正在努力创造药物一样，可以帮助那些没有得到任何帮助的归来的退伍老兵。