Guess it's a good thing I'm not calculating totals by hand within the app! :)
People forget that the person on the other side of the keyboard is a human. :(
Reminds me a little of being very young, at school, and learning to deal with other kids taking shots to look for a weakness - effectively early mild bullying. Then, again, the rule was stay positive and don’t show them you’re upset, or else they’ve found their weakness... and it will get worse.