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!
And when you're sad, they smell 
like a sewer in summer.
Y si estás triste, huelen a cañería en el verano.
Y si estás triste, huelen a cañería en verano.
Quando você estivesse triste, 
cheirariam a um esgoto no verão.