After playing both games, i must conclude if to following the facts and possibly some illusory objects, Jack murdered Kathryn because after she fixed her problems (the issues in her house a.k.a life) she was moving on to the garden weeds (other peoples' issues a.k.a Jack) and this would have pulled him from his meadow of happiness. So he killed her, and afterwards realizing that she had become part of his meadow of happiness, he buried her among his problems. He struggles inward because his action has pulled him out of his meadow, and the drugs and psychology only remind him of the vivid place he has lost. I think he buried her in a green box to symbolize how she had become part of that haven. If not for the psychiatrist stating how Jack had killed Kathryn there is another possible explanation but this is following that fact.
Don't energy boo-hoo. Beating a game in mere hours isnt as much fun...and if you're so impatient that you cant wait one hour to continue playing then just give him money. Games arent free if they plan to last. And the only two ways to get paid is a sponsor or the populus.
 "The Company of Myself"){kind=icon}
 "Fixation"){kind=icon}
 "Tyrant"){kind=icon}
 "My Pet Protector"){kind=icon}
 "Multitask"){kind=icon}
 "Music Catch 2"){kind=icon}
 "Tactical Assassin 2"){kind=icon}