Garrus Vakarian/Unique dialogue

On occasion when Garrus in the squad, he will engage in conversations unique to him.

Unique Dialogue
Throughout Shepard's travels, there are specific points where Garrus will voice his opinions.

Talk to Squad Mate
Throughout Shepard's travels, there are specific points where Garrus will want to say something, if the commander will listen.
 * Derelict Reaper, after the the (then) unknown party snipes a pair of Husks at the altar, Garrus will point out the Dragon's teeth.

Spontaneous
Sometimes Garrus will say something spontaneously, without being prompted.
 * Zakera Ward, between level 27 and level 28, Garrus will tease Tali about the long elevator rides from Mass Effect and how they gave her a chance to "share". The teasing ends when Tali reminds Garrus of her shotgun.