User blog comment:Poptropica411/Phineas plus Isabella equals Phineas and Ferb: Across the Second Dimension in Fabulous 2D?/@comment-181516-20110123222111/@comment-72.23.121.225-20110305220352

@09MurphyM I would like to know too!

@Really Big Hat Yeah no kidding! I think it would be because of the fact that he thinks she's cute. (Seriously, he reveals it in Chronicles of Meap!)