i also have the issue with pc where it hangs is there a fix for this i need it to buy the webcam and watch the videoI forget where it is in here but if you use the "r" shortcut for relations and toggle it twice it has allowed me around that bug.
Kevin gives the key back when you get the dumbbells. In the dialogue Jason says he needs it back and Kevin says he'll make a copy
Make sure it's a different day and keep trying. Waiting on the random events can be tedious sometimes.