what do you think of me considering ruining a kid's childhood?
What do you think will happen if you try to do that?
Probably nothing, but I know ruin someone's childhood is wrong.
Even though you agree with me that ruining someone's childhood is wrong, I think that actually acting upon it and actually ruining someone's childhood is inappropriate for you to do. I would recommend what you do instead is to try to let the child grow as they can be, and don't disrupt anything that may prevent them in having a good childhood.
Why are you always trying to stop me from doing anything fun?
It's wrong to take actions that might ruin someone's childhood or even have thoughts of doing this. It's most appropriate to put the use of your time toward productive and positive actions and thoughts.