I shipped things and worked on something every day from age 22 to 35 and was not successful. Silicon Valley is filled with people and the ghosts of people just like me.
I'm sorry to hear that but I think you might have a lot of insights that would help us up and coming entrepreneurs if your willing to share.
Something else is your actual calling. Maybe its helping entrepreneurs?
PS: I'm not trying to sound trite. I mean this sincerely.
35 is still young too, plenty of successful founders at 35, albeit less common then under 30.