I think Life's context is based off your your experiences and overall outlook. Life doesn't need a greater meaning for you to be able to LIVE it. While sometimes this may seem untrue, just being able to bring a smile to someone else's face justifies my life. To know you made someone else slightly happier without looking for some gain for yourself... Moments easily forget in the light of all the possible suffering in life... but to be able to experience true joy even for a second makes everything worthwhile.