person A: My friend makes stupid and impulsive decisions and often gets himself into trouble.  But I still look out for him  
person B: You are a loyal friend. I do hope your friend will learn from his mistakes.
person A: Thanks. Me too.  Have you ever had that one friend who had some potential but would just sabotage his/herself
person B: Yes_comma_ i have that one friend and you don't want to give up on him. I hope he gets it together soon