Kind of, it's disappointing and discouraging when someone doesn't believe in you, especially when it's someone whose opinion you value.

when someone tells me i cant do something i like to just prove them wrong lol

Yes

usually

Yes

Yes mostly angry tho

No. With positive self esteem as your guiding light, it will insulate you from feeling hurt, sad or angry.

Yes

I'm sad when someone doubts about me... makes me feel insecure

I’m not sad I’m insulted, or I’m understanding and seek help depends on my ability.