I walk into a coffee shop for a cup of coffee. The smell of warm sweetness overwhelms me. This is the conversation going through my head. Self 1 : “Mmm…Look at that fudge brownie, it would taste so wonderful with my coffee.” Self 2: “Ah, but I came in for a coffee to wake me up and if I have sugar in half an hour I will be sleepier.” Self 2: “I’m not really hungry anyways.” Self 1: “Chocolate will give me a serotonin fix, it will feel good and taste good.” Self 2: “I should w