“It seems that as we get older, that fact of not knowing what the future holds, instead of being full of intrigue, is an invitation to worry. In one’s mid fifties, ‘not knowing what is going to happen’ invites the thought, ‘One of us could have cancer or a heart attack any day.’ At 29, it was more like, ‘How much sex will we have,’ ‘Will we plan a vacation or have a heart-to-heart talk,’ ‘Will I meet a cute guy at this party,’ ‘Will I like this job.'”