Angel in my life.
"You are in my life" "You are part of my life"
A life in the theatre
"we will talk again in another life"
It means: "what happened in your life?"
Translation: In one kiss the life…
Yo quiero tu en mi vida porque tu en mi corazon in English means I want you in my life because you in my heart.
Translation: I don't want hypocrites in my life.
Your son/child in this life and the next
Probably this means "I have it all in my life". This could be different in context.
in another life
'I need you in my life'
"Gracias por estar en mi vida" translates to "Thank you for being in my life" in English. It is a way to express gratitude to someone for the presence and impact they have in one's life.