Please don't read the tittle and read the Phrase 2 times with natural speed before read the situation about it. ^^ Thank you very much.
"After everything I've done for you, you turn around and stab me in the back like this?"
Situation :
You have a friend who you've helped out in the past. Now you find out that she's applied for a job that you were trying to get, without telling you. You feel betrayed, so you say: