[21] The appellant denies making any threat of the kind which the complainant said occurred a year or so prior to the assault, although he agrees that they were on unfriendly terms. On the appellant's version he had been subjected to some workplace bullying by the complainant and others over an extended time. The appellant was born in 1985 and was 18 at the time of the offence. He began work as an apprentice diesel fitter when he was 15, and shortly after his 16th birthday he began to work at the same place as the complainant, another man Mr Bonnici, and Mr Stenner, who gave the evidence of his implied confession. The complainant and Mr Stenner were older men, each about 30. He says there were a series of events involving the appellant, Mr Bonnici and Mr Stenner in the nature of bullying and at an incident in which Mr Stenner head butted the appellant, which shocked him but did not particularly hurt him. The appellant said that he reported this to his supervisors and expected that Stenner would be dismissed, but this did not occur. The appellant said that there was an incident involving the complainant the day before the complainant left that employment in which he believes the complainant stole about $70 which went missing from the appellant's wallet. The appellant reported that matter to his supervisor and also to the police. He said that from that time on, whenever he had seen the complainant "anywhere, in a pub or anywhere else he and his mates would always stare at me and I would end up leaving because I'm worried that they might jump me". The appellant related other incidents of bullying by Mr Stenner and of a further instance in which Mr Stenner assaulted him at work. It would often happen that as he walked past Mr Stenner at work, Mr Stenner would "drop an elbow into me, hitting me with his shoulder". The appellant's perception was that the complainant, Mr Stenner and Mr Bonnici were friends, formed a group distinct from other workers and were intent upon bullying him.