Cut the guy some slack man, not everyone is perfect, he must be suffering from social anxiety or social phobia issues, its not as easy to over come as you said. ""just step out of the house"" they need proper therapy and motivation from friends and family, its better if stranger like us also make them feel comfortable. :S
and @qwerty3 Bro I dont think their is any online website in pakistan where you could buy branded chips and chocolates I know of only one online pakistani local grocery store http://www.pakistangrocery.com but unfortunately they dont carry branded chips and have few varieties of chocolate send them an email and try requesting them. hope that helps