Davies admitted stabbing Wirihana-Hawkins in a heated exchange over Davies' accusations that someone had taken his son's tobacco, a $100 pouch of Port Royal.
It followed some time at a central Hastings bar, an intoxicated walk home and the smoking of methamphetamine with Wirihana-Hawkins' partner and another man, all known to each other.
Davies said Wirihana-Hawkins seemed agitated that the group had been away some time when they had originally headed into town only to get takeaway alcohol.
He said that after asking for the "smokes" to be given back, Wirihana-Hawkins approached him aggressively and began pushing him in the chest.
He said he stumbled back and pulled a knife from his pocket fearing he was about to get "a hiding" and intending only to scare the man.
It was then the stabbing, Forster saying in his closing address on Thursday that the position of the single wound was some evidence that the blow was not intended to kill but just to stop being assaulted.
He'd also said he was worried about his health Forster argued the accused's demeanour beforehand was passive and did not suggest any aggression.
The main questions for the jury were whether it was self-defence and was the level of force justified in the circumstances.
If the Crown had not proven that it wasn't, then the jury had to find his client not guilty Forster said.
The four-day trial is the last jury trial in Hawke's Bay for at least two months, with all jury trials stopped as a result of Covid-19 crisis measures taken this week.