hi guys, i was cleaning my les paul today n i realise like the neck was bending downwards n nt alight with the body, is this suppose to be the way it is build? coz i own this les paul for sometime le n today when i put it on my piano chair then i was like gosh, is my neck like bend down or something or the les paul are build this way, can les paul owners help? pics is below, thanks alot: