After Snapping Fingers, Twelve Reincarnations

What did he accomplish in his life? This is a question that has always been in Stark's mind. Was he really just the "genius, billionaire, playboy, philanthropist" he told Rogers he was? "Yes, you hide in your armor and act like a hero. Who do you think you are if you take it off?" This question has followed him throughout his life. If he really returns to the cave in Afghanistan in 2008, can this individual named Tony Stark save everything? You only have one chance to answer the question in your life. Even if you really answer the question again, who can guarantee that you will be satisfied this time? But Tony Stark really got a second chance. Will he be satisfied this time?