Dhdbbdhdhrve. Evendhdhdhdid
Well, for starters, this is more of a question for you than it is for me yet here's something to give you an idea.... I think don't let it get personal and leave your life stories at the door. Also, don't ask yourself, "how can this be done or worked out,", ask the people and if they're biased it's hard to tell so just hope that they leave off topic, etc... Ideas and or comments. The best I can give you.
You could substract or divide It to get the sum.
Redo the question I can’t see the picture