lust for life

:  pleasure, delight

:  personal inclination :  wish

:  usually intense or unbridled sexual desire :  lasciviousness

:  to have an intense desire or need :  crave

:  to have a sexual urge

:  the quality that distinguishes a vital and functional being from a dead body

:  a principle or force that is considered to underlie the distinctive quality of animate beings

:  an organismic state characterized by capacity for metabolism (see metabolism 1), growth, reaction to stimuli, and reproduction

:  of or relating to animate being

:  lifelong

:  using a living model