I, Consciousness and its variants...

There are some of those questions that get revisited within me again and again and get their definitions redefined as per on what i have turned out to be this moment -What is I? What is consciousness?All the while i thought I was hullucination (and definitely not delusion), where, what you see is never what you get... And then i thought may be I is just a feeling of being alive, feeling of existence. i had my troubles of describing this feeling, but for its perception in the form of chemical reactions and chemical compositions. Sometimes i think I may be a combination of both or it is neither of them... Somehow there seems to be some fun in keeping this uncertain...!So be it...With definition of I being clear...! , i will try defining consciousness... about which i seem to be more certain than the prior...Consciousness looks like the feeling of I... It is more of a feeling of being there than the feeling of existing there... i feel the pressure of every ray of light on my eyes... i am completely aware of the itch on my nose behind those specks... i am blatantly aware of the breath i seem to be taking without any feeling of air particles gushing through my nose... and ... and ... and...my uncertainity doesn't let me use I for i... still lot of thoughts pending...As a prologue to why people feel sad...As an epilogue to why people feel sad...my consciously...Darshan.