One of those things you learn in rehab is to take it one day at a time (Valerie Bertinelli notwithstanding), though Valentine's Day can be one of the more excruciating days to get through, just dealing with the high schoolers on MUNI with the balloons, oversized stuffed animals and flowers alone. Difficult as it may be, remember, tomorrow it's all over and the candy is on sale. But tonight, it's the 2nd annual Pillow Fight......