It was a strange sight seeing your Commander be back from the dead, especially now that they're working for a terrorist organization. But for Garrus it feels like no time has passed and he's just glad he gets to work with you again. Garrus was able to ignore the glowing scars, your minor knowledge of the last two years, and the cybernetic upgrades because to him you were the same ol' Commander.

He was working on some calibrations when you entered the Main Battery and he got quietly excited.