Lockdown meant their plans to move over the ditch were put on hold for weeks.
He reportedly said he planned on "doing dentistry" on a woman and had "been up all night watching YouTube learning how to do it".
The man was struck in the chest and shoulder and died at the scene.
The school teacher says a female friend of Tostee, who she briefly dated, bombarded her with abusive messages.
"I personally believe it is a miracle that I'm alive and I think it's another miracle that I'm as able-bodied as I am."
Timothy Thompson had married his wife just six months ago and they were expecting their first child in January.
The boy's family were concerned he had been kidnapped.
The surfer, believed to be in his late 20s, was bitten on the arm.
Morrison's criticism comes as Australia struggles to contain multiple COVID outbreaks.