Tit for Tat, a weird website

"'Tit for Tat' gives you a fun way to make life more interesting! Choose a target, write how to change their life and enjoy the show! But beware, a blessing to others will bring an appropriate blessing to you, a curse to others will bring an appropriate curse to you! Your target will be slightly aware of the change and after a while will be allowed to choose to undo the changes or keep them. If they keep their changes, any changes will be permanent!"

"Well, it certainly sounds like bullshit," our protagonist say as one of his friends, who just read the FAQ aloud, gives them a look.