KILLS - STAT BOOSTING

[123DEVILpro123]

Is buying kills considered as stat boosting i lifesteal?
what is stat reset?
Also what can be considered as stat boosting?
plz tell me

 

[Needhelp123]

Uhm. My friend did it too. He got banned for 14 days. After one day he was unbanned and he got to keep his stats. His name starts with LeoIsHere and he has 30 hearts right now. I am banned for doing it but not knowing if it's allowed or not since I even asked a moderator but he did not reply.