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!
Did I make you remember something bad?
¿Te hice recordar algo malo?
¿Te has acordado de algo malo por mi culpa?
Eu fiz você lembrar 
de alguma coisa ruim?