If it has a question mark after porque, it means: I don't know why?
If it doesn't it means: I don't know because..
It means, "I know; for that [reason] I do it, because you don't know."
"I don't know why."
Possibly '....les gusta.' because 'lo que' is singular. Perhaps, also, to avoid the singular/plural discrepancy of 'se puede....les', use '....lo que a uno le gusta'
It means: because it not good to do, its nearly impossible.
You meant:SÉ PORQUE ES MUY ROMÁNTICA --- I know because you're very romantic ( polite you, singular, feminine) / I know because she's very romantic.*PORQUE---- BECAUSEPOR QUÉ --- WHY(YO) SE PORQUE ES MUY ROMÁNTICA--- I know why you are very romantic (polite you, singular, feminine) / I know why she is very romantic --- WRONG MEANING
Quiero saber que capacidad es este equipo porque me lo vendieron y no se como se usa
She or he does not know
Lo siento, se demoró / se dilató / se tardó.
Aguamarina. Yo soy español lo siento no se puede leer esto.
Yo sé porque tú no está conmigo. I know why you aren't with me.
yo no lo se.
¡Gracias! Se lo agradezco (a usted / a ustedes) Te lo agradezco Os lo agradezco