The male has been persuaded to assume a certain onerous and disagreeable role with the promise of rewards -- material and psychological. Women may in the first place even have put it into his head. BE A MAN! may have been, metaphorically, what Eve uttered at the critical moment in the garden of Eden.
The Future is distant, like the Past, and therefore sentimental. The mere element "Past" must be retained to sponge up and absorb our melancholy. Everything absent, remote, requiring projection in the veiled weakness of the mind, is sentimental.
Then we are assured by Sartre that owing to the final disappearance of God our liberty is absolute! At this the entire audience waves its hat or claps its hands. But this natural enthusiasm is turned abruptly into something much less buoyant when it is learnt that this liberty weighs us down immediately with tremendous responsibilities. We now have to take all God's worries on our shoulders -now that we are become men like gods. It is at this point that the Anxiety and Despondency begin, ending in utter despair.
If the world would only build temples to Machinery in the abstract then everything would be perfect. The painter and sculptor would have plenty to do, and could, in complete peace and suitably honored, pursue their trade without further trouble.
If an art has for its function to represent manners and people, I do not see how it can avoid systematizing its sensibility to the extent of showing some figures much as Molière, for instance, did, as absurd or detestable.