Oscar Pistorius was in a "loving and caring relationship" with Reeva Steenkamp, the girlfriend he is accused of murdering, the sprinter's agent testified Tuesday.
Pistorius involved his girlfriend in conversations about business and wanted her to travel with him so she could see what his life was life, Peet van Zyl said on the stand at the athlete's murder trial.
He was excited about taking her to a concert by Italian opera singer Andrea Bocelli, the agent said.
Van Zyl also described the sprinter as "hypervigilant" and "fidgety," saying Pistorius once grabbed his arm when they heard a bang on a street in New York, but he denied that the athlete was prone to outbursts of anger.
Van Zyl had lost his temper more often than Pistorius during the years they worked together, he said.
The double amputee sprinter is on trial for killing Steenkamp in February last year. He admits killing her, but says he mistook her for a burglar and thought he was defending himself.
The prosecution says the two had an argument and he killed her intentionally.
Van Zyl took the stand after an acoustics expert, Ivan Lin, was cross-examined about sounds on the night of killing.
Some neighbors have described hearing a woman's screams between shots the night Steenkamp died, but the defense has argued that Pistorius sounds "like a woman screaming" when he's anxious.
On the stand for the defense Monday, Lin said it would be "impossible" to replicate the "highly complex sound transmission" from Pistorius' house the night he killed Steenkamp.
He told court that "typically," one can differentiate between male and female screams, but not without exception.
Nel pressed him on the point but made little headway on Tuesday.
The prosecutor did get Lin to concede that state witnesses could have heard screaming from the Pistorius house on the night of the killing from their homes up to 177 meters (yards) away.