I don't know who you are.
It means: "well I don't know. And you? Who are you?"
There's no reason for me to keep texting with you. I don't know who you are.
"But you never know who's watching"
No se quien es (accent on first 'e') means"I don't know who he/she/it is."
it means "NOTHING, BUT YOU CANT SEE VERY WELL IN THE PICTURE. I DONT KNOW WHO YOU ARE."
¿Quien se hecho uno? ¿Quien se hecho un pedo?
"How does it look" se traduce a "How does it look" en inglés.
Translation: Who takes better care of their health
it means: this bed looks comfortable
I know where I'm going and I also know who I'm going with.
Who wakes up first in your family.
"Y que nunca se te olvide que eres muy bonita" is Spanish for "And don't you ever forget that you are very beautiful."