Pointless and frankly can hurt a lot of people. I'm not going to lie and be like "i've never done it blah blah blah" because I have & I regretted it. I was a little bratty child that confused, I know that's no excuse but my friends are honestly the best people ever and forgave me giving me the chance to prove that I had changed!
Now my view on cheating is: you're hurting yourself as much as you're hurting them. To put it frankly you'd be the bad guy. So if you ever do it, just realise it was a mistake and move on and learn from it or I you ever find yourself in a situation with the option to cheat choose the other one. it might be hard, but in the long run you'll be happy you chose it!