Quite easily, I don't require the crutch of a higher power to stumble through life with. We already have a type of heaven when you look at the wonders that surround us, a babys laugh, a womans smile, the cosmos above, the inferno below. The miracles of life, geology all around us. Problem with humans is we always want to see if something better exists somewhere else, be it over the horizon on or another plain of existence, we already are in a place that if heaven did exist it may be quite bland by comparison and its eternal patrons may wish to trade that eternity for what we have, however fleetingly we have it.