^ si ako attitude which I see / observe in so many people I know is a product of low self-esteem. that's how I quantify / measure a new acquaintance. so what is self-esteem?

this is coming from the big man himself, from his book - Donald Trump

Self-esteem is how we feel about ourselves, the way we look, the way we think. There are three ways to build self esteem:
• sense of control and responsibility
• sense of belonging and acceptance
• sense of competence

so if you lack any of those he enumerated, low self-esteem ka, and the usual attitude - si ako, si ako, si ako