Que que que que ¡!¡!
Sometimes "que" pops up and I just don't know why. Aprieta el paso que ya estamos tarde. - Pick up the pace, we are already late.
Why is "que" there?
2 Answers
In your example, as Jubilado mentioned, "que" is short for the word "porque" meaning because. This is common in colloquial Spanish; it's like saying "cause" instead of "because" in English.
Ohhhh!! Makes sense!