time, you weird, weird thing

Yesterday I sat in class realizing that I hadn't even been home a week--a week ago I'd been flying home. At first it seemed like it must have been two weeks ago, but, no 25 minus 18 only makes 7... So much can happen in a week. When I look at the past I often feel there's a paradox: it seems to have flown by but also like the past was a lifetime ago...