finding a deeper meaning

this has been a major topic over the last week or so and i think its a major factor or obstacle in peoples recovery and origional cause of dp/dr.this quest for meaning in life,has anyone successfully found it and regained 100% zest for life again?im living a fairly active life once more,without meds but the buzz aint the same yet.it doesnt mean ive given up,far from it,but i miss the thoughtlessness of my old ambition.how do you regain spontaniety,zest,etc?can anyone recommend techniques or books on the topic??