Well there are some ideas here. I think it is to have enjoyment and be fulfilled and more importanly to reproduce on a strictly biological sense not philosophical. And before any one lese says it 42.
My life has no meaning at this stage... I'm just cruising through waiting until I get a job and a load of freedom. But even then, if I was unhappy with the job my life would still lack meaning and I would probably end my life then and there.