Why do we leave coll n move on???

It was on 17/05/2009 .... they day i wish never existed... but it came.. n i had to leave my college.. my friends.. my room mates... it was 7 pm when i went to say good bye to one of my friends room(parul,tanvi,anubha n ankitha).. every one hugged me.. n none of us let loose.. cant let them go.. the moment i release them frm my arms.. i knw.. we both knw.. we r never gona be with each other any more.. that moment the only thing was hold them in my hands n in my eyes as long as possible.. tears didnt come out.. but.. sadness was creeping trough every nerve in my body.. for a moment every thin was blank... then i had to leave hostel by 7.30pm.. i was walkin through my campus towards main gate.. then my mobile started ringing.. it was my first yr room mate mona.. she just asked me "u forgot us(mona n bhavi)!!! dont u have to see us before u leave..!!" then it struck me hw can i forget them...!!!!! they r the ones i met when i first came to coll.. they are my very first friends..... i left my luguage and ran back at once... der they were waiting at the hostel gate... to say send off.. when i'm bck to coll four of my frnds(ranga,avi,sai n sures) acompanied me to station.. it was fine till the announcement of my train.. but the moment it was announced.. i was prayin for a delay.. when i saw train comin.. i wanted it to go back in the same track... but!!! it came.. i got into the train.. all my frns got in along with me adjusted my luguage.. n then gave a good bye.. they were holdin my hand sayin all the best for your future.. n neither of us could release.. cos we knw after dis 2 of them wil be in US 1 in chennai, 1 in ahmedabad.. n i will be in Warangal or don kw where.. when the train started, i was peepin through the window as far as i can see and when i lost der sight.. i broke.. n started crying.. sitting in my seat at 8.50pm.... was thinkin for 1 hr.. hw will i survive without all of them..... i am still thinkin hw am i living... that moments we had together will never come back.. so we just have to live our life full in the time we have...