<human>: Can you succinctly summarize the text in 1-3 sentences?

I have a little revenge story. It's nice and petty, and it has a special place in my heart as my first act of satisfying small revenge ever.

My freshman year of college, I was doing some laundry in my building. The washer was done, and although there weren't many machines open, I found an available dryer close to mine, opened it up, and put a dryer sheet in. I step a few feet down to take my clothes out of my washing machine, gather them in my arms to throw up into the dryer, and turn around to find a guy pushing a button on my machine to start it and quickly walking out of the room. 

I had to walk across the room (which because of the layout requires walking out of the room and in a different entrance) to find another available dryer, dropping some articles of clean wet clothing on the dirty basement floor along the way (I didn't have a basket, only my cloth hamper I didn't want to get all wet).

At this point I wasn't sure the guy was aware that he stole the machine I was already halfway using and fucked my shit up, but in a way his obliviousness made me even angrier. I poured a capful of detergent, made sure he was gone and nobody else was on their way in, and paused his machine. I opened it up, poured the detergent on his two bedsheets (which by the way would have been much easier to wad up and carry across the room than two armful of socks and t-shirts), and started it back up. I left, and never found out how it turned out. To be honest, I'm still curious to know exactly what detergent added to a dryer load will do.
<bot>: Guy makes me drop my wad on what was supposed to be a dryer run, gets something of a mess on his sheets.