Look inside, outside, around and in imagination. Look everywhere and find moments when all is serene within you, around you before you and after you. Try meditating, sleeping, exercising, loving or even holding your breath. Shiva taught this technique eons ago. Idea he had which is evergreen is that once you have tasted this moment often when there is no suffering, you will realize that all suffering is transient. Since something that can disappear for a moment, can disappear forever. If you know the magician's card trick, can he really pull that ace out of the pack again and wow you?
There is someone that never suffers. Why can't that be you and forever?