No. 13 of 31 Thursday, April 17, 2008 Viva Viagra Enlarge «First‹Previous?Random›Next»Latest Tip: use ← → to flip through strips. From the cartoonist’s desk But bigger isn’t always better… Share this strip Browse the archive Around this strip No. 11Trust Issues No. 12Alphabetical Or Chronoligical No. 13Viva Viagra No. 14Payback Hurts Your Back No. 15Failure Is Like Gravity