For example, I tell my ds to leave the printer alone (he already broke one) and then he likes my reaction so much he does it again.
So I'm a wimp and don't want to shout and say no all the time, but this morning I was busy elsewhere and I could hear him at the printer, so I walked to the room, gave him a hardy stare and told him you know you're not supposed to be playing with the printer (while pointing my finger at him). I then picked him up and put him in the hallway and closed the door to the study. He was a bit upset ( not really crying more irritated with loosing a "toy")I walked away to my room and carried on getting ready, he then just went into the lounge, found a toy and came waltzing into my room, when he saw me he had a look of