pkpk was crying last night and now her eyes are swelled up.  Tears are strange; you cry when you're happy and when you're sad.  This discussion of tears reveals a terrifying plot!
I bet it gets itchy under his stomach.
Seguro le da comezón bajo el estómago.
A lo mejor le da hasta ardor de estómago.
Acho que ele tem uma coisa
 coçando debaixo da barriga.