Why are Shonen Heroes so Dense When it Comes to Love?

Shonen brims with love-dense heroes and the females that try to get their attention. The MO of these characters involves unawareness of flirtation, female emotions, and the inability to know how to react to emotional situations. These heroes remain unaware of female affection. For example, Bleachs Ichigo remains unaware of Orohimes affection for him despite how she