>Not putting on Reginald's Suit and talking him down
>Not having Danse follow you around in X-01 Power Armor
>Not ******* Danse in the ass while thinking of Maxson as your reward
What are you, a synth?
This looks to be finishing the game and siding with the Brotherhood. So, then.
He also leaves near the end when you side with the Institute, and never gets back on because you promptly murder him.