Bobbi and Hunter's departure takes its toll on the team, especially Mack, as he tries to reconnect with his brother on Agents of S.H.I.E.L.D. Season 3 Episode 14.
Mack's vacation being cut short when the Watchdogs, who were revealed to be driven by Malick, implode the ATCU building, while he deals with all the lies he's had to tell his family, show that Mack is done with S.H.I.E.L.D. and with Coulson.
Even more so when Daisy takes justice into her own hands.