as today is gurpurav my all friends were blowing crackers and i was just keep on saying that please dont do this as this causes polution and i also told them that today is a festival so why not celebrate it with peace.my one friend just looked at my and said that you have made me understood the need to save the envionment but my other 2 friends left us and said that dont talk to them and never call them also.now what should i do to bring my friends back