With his brother in law being in the dea, Skylar was just looking out for him. And he kept acting unhinged and hard headed. If Hank wasn’t in the plot I could see it getting further. Then with the murders they kept doing he pushed it too far. What walter should’ve done was frame gale since Hank thought he was heseinburg. But then Walter got mad and was like fuck No I’m not letting gale take credit for MY chaos then Hank got sus abt it all over again !! All he had to do was st fu