I always want to know what really happened when Garrus meet his dad again after end ME 2. And h

I always want to know what really happened when Garrus meet his dad again after end ME 2. And have a burning desire to listen  Brandon Keener does voice acting Garrus and Castis’s  dialogs side by side with a sad ruthless sexy spaceraptor boyfriend Garrus’s tone and switch to calm mature sexy Father-in-law Castis’s tone. 

p/s : why Blue-orange flamboyant turian’s armor thought?