[Because Sanji is a lazy ass and Yusuke is surprisingly on point when it comes to PDA -- LISTEN it's just how this asshole rolls]

Probably why they blocked off the streets closest together -- makes shit easier, especially the people with kids.

[Because there are a loooot of children around, most well-behaved but absolutely curious about everything. It make sense -- in the eyes of a child, chalk is and always was art, and so they dart around as if in a museum made especially for them.]