For me I found it wasn't the lactose, but the amount of fat in the milk that gave me the rumblies. Eating certain dishes with a lots of fat gave me the same sort of feeling.
Omg same experience. Bruh I just wanted to watch some youtube on my break but I had to update firefox or smtn and my coworkers thought I was hacking the wifi lolol
This is true until you find the hard-core bdsm shit.