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!
Your eyelids look all puffy, pk-chan.
Tienes los ojos hinchados, Piku-chan.
Tienes los ojos hinchados, Piku-chan.
Ei, Pkzinha, hoje você está
 com os olhos inchados.