It means do you want to be my valentine?
"Quieres ser mi novia" translates to "Do you want to be my girlfriend?" "Quieres ser mi novio" translates to "Do you want to be my boyfriend?"
If you want to know what this means in English - 'What do you want to be?'
"Tu quieres ser mi novio" is how say "will you be my boyfriend" in Spanish.
¿Qué dice? can mean "What is he (or she, or it) saying?" or "What does he (or she, or it) say?" Or it can mean "What do you say?" or "What are you saying?" (you, formal)
Formal: ¿Qué quiere ser cuando crezca usted? Informal: ¿Qué quieres ser cuando crezcas tú ?
¿Quieres ser mi amigo/a?¿quieres ser mi amigo?
"Quieres ser mi novia" translates to "Do you want to be my girlfriend?" "Quieres ser mi novio" translates to "Do you want to be my boyfriend?"
If you want to know what this means in English - 'What do you want to be?'
From my knowledge, this question is from a man to a woman: ¿QUIERES SER MI ESPOSA? = Would you wanna get married with me?
Se mi novio Or ser el mío (if you want to say Be Mine)
its quieres ser mi amigo =do you want to be my friend
If you are talking to a male: ¿Quieres ser mi amigo? If you are talking to a female: ¿Quieres ser mi amiga?
¿Quieres ser mi hombre?
"Tu quieres ser mi novio" is how say "will you be my boyfriend" in Spanish.
¿quieres ser mi amigo?
¿Quieres tener libertad y felicidad? ¿Quieres ser libre y feliz?
You can say "¿Quieres ser un modelo?"