would VS did

[northpath]

In the sitcom Family Guy, Lois gets rid of all Homer’s Red Bull drinks. Homer gets mad and says “Why the hell would you do that?!” Why he doesn’t say “Why the hell did you do that?!” What’s the difference?

 

[jutfrank]

It means that he can't think of a possible reason for Lois' actions.

 

[Yankee]

In the sitcom Family Guy, Lois gets rid of all Homer’s Red Bull drinks. Homer gets mad and says “Why the hell would you do that? (consider in advance of the action).!” Why he doesn’t say “Why the hell did you do that?!”(following the action) What’s the difference?

Y.