<human>: I am a responsible, about to be 30yo adult, that is a workaholic, spends my life pleasing others for validation, am super critical of myself, and cynical of others.

I would say I am a Debbie Downer / Eeyor type that looks for the negatives in things because I was raised very independent and that is my defense mechanism.  I am over-responsible because of how I grew up - having to help out my sister and parents, send myself to school/college/etc.  Now I make well into six figures but am never happy enough - I should have gotten a certain rating, promotion, bonus, etc. But didn't work hard enough.

Others depend on me to help them out of a bind b/c I am so responsible (can give career advice, relationship advice, fix a car/house, give a loan, or be the level-headed one in a major emergency/trauma).  However, even though I am used, I never ask anyone for their help or favors.  A lot of people I know are self serving, manipulative, etc. Which I just cannot understand.

Therefore, I come off as arrogant, negative, and don't have good meaningful relationships.  Instead of enjoying something, I'm constantly working or looking for something more, or stressing out.  I love to travel, but I don't have friends that can join me due to time-off/cost/not having friends.

How do I say f it, make some non-superficial friends, and enjoy life?

Can you provide a brief rundown of the text in within 3 sentences?
<bot>: I'm doing ok financially and career-wise, have absolutely nothing to complain about, but am lonely and unable to find pleasure in life.