I became a 'fan' in 2005. I've seen U2 7 times up until now. 3 of those gigs were live 8, glastonbury and the performance at bbc radio headquarters on the roof..
I became interested in every aspect, the music, collecting, swooning over bono. I met the band in sept 2006 which was the best day of my life. bono takin gmy camera off my and capturing my perfect grin. oh yes the best!!
I may have only been a fan for 8 years so far, but i dont think my love for them is any different than to someone who went to a gig during the joshua tree tour. Yes that person has more 'mileage' but i get exa