I've now been to 8 concerts since my first when I was 12:
7/10/03 Oakdale Theater, Wallingford CT (Poodle Hat Tour)
4/17/04 Foxwoods Casino, Ledyard CT (Poodle Hat Tour)
5/30/07 Palace Theater, Waterbury CT (Straight Outta Lynwood Tour)
9/21/07 Foxwoods Casino, Ledyard CT (Straight Outta Lynwood Tour)
6/24/10 Theatre at Westbury, Westbury NY (The Internet Leaks Tour)
10/14/11 Zeiterion Performing Arts Center, New Bedford MA (The Alpocalypse Tour)
6/6/15 Foxwoods Casino, Mashantucket (Ledyard) CT (The Mandatory World Tour)
9/24/16 Radio City Music Hall, New York NY (The Mandatory World Tour)
I also went to the live interview & book signing at 92Y on 9/27/13 in New York, NY and the book signing at Barnes & Noble on 4/20/15 in New York, NY.