hero's genjutsu

Name:False thought.
Rank:c
Element:uchiha bloodline
Skill:genjutsu
Range:(0-5m)
Description:Hero makes a boar handisign and then puts his hand on top of the opponents brain.Once that is done Hero now makes the opponent think he has won the battle letting the opponent and himself live.This jutsu is mainly used to either save himself or the opponent just in case hero is pwning.This technique lasts for 3 whole posts if the opponent didn't notice anything.This technique will give hero knock hero off balance a little IF THE ATTACK IS A SUCCESS.It can be broken if it is used by a branked kai or some master of genjutsu some how breaks it..This technique was created by hero.
Chakra use:5

bumdy dumpty sat on a wall

How long will this effect last ?
How can it be broken ?
What are the drawbacks meaning side effects that hurt the user of this jutsu ?

edited

I said most ends are tied up,