Your reaction to the cat on the table had me rolling of my chair.
I could so relate to that. They never jump up on anything anymore when I'm around but soon as I leave the house Bam they are at it. MF'S. Which is partly why now I kick them outside to the backyard when I leave. Anyways, here's some nerdy information about why you might be coughing. I'll spare you the details.
Your weed sucks.
Your weed sucks.
Your weed is not dry enough.
When you burn your ganja burns, the smoke it creates is about 1kdegrees. Hence why bongs and ice is recommended to cool it down.
You took in way too much too fast or too much flame.
Your weed sucks.