its possible for a couple of years but it is hard to maintain the relationship as decent as it is if u have a very very cute best guy friend who smell nice and always manjakan u..hhaha dats what happened to me..we were bestfriend for lik 6 yrs and somehow along the road felt so hard for each other..but still doesnt have the heart to confess until one day he said dat he was jealous seeing me with another guy..and guess wat we are still going strong after 3 yrs of serious relationship..yay!