Sara really likes Drew and wants to ask him out on a date. But she is scared of being rejected. Each morning she tells herself, today is the day I ask him out! But by the time she sees Drew, she gets scared and decides not to ask him out. Which of the following does this illustrate? 
1. approach-approach conflict 
2. approach-avoidance conflict 
3. avoidance-avoidance conflict 
4. delay discounting