"Because I want to" might best be said as "Porque quiero hacerlo".
Do you mean how do you say want in Spanish? The word "want" doesn't mean anything in Spanish because it is an English word. In spanish the infinitive "to want" is querar. I want is yo quiero.
because he dont want them and its no one business
To say 'I want bread' in Spanish, you would say 'Yo quiero pan.'
To say 'I want meat' in Spanish, you would say 'Yo quiero carne.'
To say 'I want cereal' in Spanish, you would say 'Yo quiero cereales.'
To say 'I want paper' in Spanish, you would say 'Yo quiero papel.'
To say 'I want a chair' in Spanish, you would say 'Quiero una silla.'
To say 'I want to eat a carrot' in Spanish, you would say 'Yo quiero comer una zanahoria.'
"I want to sleep" would be "Quiero dormir".
To say 'I want some folders' in Spanish, you would say 'Quiero unas carpetas.'
I want = Quiero
querer- to want