Why does Brian have mixed feelings about using some of the items in the survival pack?

Brian has mixed feelings about using some items in the survival pack because they remind him of the life he left behind and the circumstances that led to his current situation. While he recognizes their utility for survival, he grApples with feelings of guilt and nostalgia, as they symbolize his past and the loss of his previous life. This internal conflict complicates his ability to fully embrace the survival tools at his disposal. Ultimately, he must reconcile these emotions to effectively use the items for his survival.