He is due to be sentenced on 25 May.
They went on adventures together since they were teens, up till their golden years.
He later pointed a chopper at his wife and threatened to throw it towards her.
Many were touched by his kind and considerate act.
All for his 2-year-old daughter.
His mother's last-minute application to stop the execution was rejected.
He committed the crime over a period of two months.
The operation took about one and a half hours.
Two people were conveyed to Khoo Teck Puat Hospital for treatment.
She allegedly fought with a female friend at the toilet.