There are lessons only time can teach, and part of the interest in the “Up” series is that we imagine our own lives at their age and marvel at the changes in our own lives.

>> Send off Three Starsand Unbuckled vets The Vita Ruins as they set off on a mini east coast tour tonight at Iota, with New York’s Jaguar Club and Faster Faster Harder Harder. 8:30 p.m., $10 >> Stop by Busboys and Poets at 6 p.m. to catch writer Julia Serano, who will discuss and sign her new book Whipping Girl: A Transsexual Woman on Sexism and the Scapegoating of Femininity. 6 p.m. >> The…

We’re going to be the first ones to call it: the SILVERDOCS: AFI/Discovery Channel Documentary Festival is all grows up. Yeah, you heard us. As of this year, it’s a real-deal film festival, the kind of event any filmmaker who knows anything would be thrilled to participate in. And we’re not just blowing smoke. The lineup of more than 100 films and special events between today and Sunday isn’t just impressive, it’s overwhelming. With all…