You have decided that you want to get in shape, so you commit to working out at least 4 times a week after class. Today, however, your classmates invite you to get ice-cream with them to celebrate the end of the semester. You are torn between your commitment to work out and your desire to hang out with your friends (and eat ice-cream!). Ultimately, you decide to work out and catch up with your friends later if they are still out. You are demonstrating ____________