You would say ¿Me deseas? (only in an informal situation, which is probably what you are referring to!).
(Ella) me quiere / ama / aprecia / tiene cariño.
*Omit "ella" if you know the person (a woman), unless you emphasise.
Usted me quieres?
To say 'I want paper' in Spanish, you would say 'Yo quiero papel.'
To say 'I want bread' in Spanish, you would say 'Yo quiero pan.'
To say 'I want a chair' in Spanish, you would say 'Quiero una silla.'
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 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.'
querer- to want
I want = Quiero
"What do you want to do?" Say "Que quieres hacer?"
To say 'I want to eat flan' in Spanish, you would say 'Yo quiero comer flan.'