Hello, my 8 month old has no fever or doesn t seem to be sick. Today he was crying a lot, and he usually never does. I noticed that he had trouble pooping this morning and once he did, he felt better. But after his late afternoon nap, he woke up crying real bad and didn t want to be put anywhere but in my arms. Once he found a comfortable spot, he pooped again and all seemed normal until I noticed fishy smelling mucus. What does that mean?