The Rainbow by D H Lawrence Chapter 1 Page 38

For some time after this, he was quieter, more conscious when he drank, more backward from companionship. The disillusion of his first carnal contact with woman, strengthened by his innate desire to find in a woman the embodiment of all his inarticulate, powerful religious impulses, put a bit in his mouth.

He had something to lose which he was afraid of losing, which he was not sure even of possessing. This first affair did not matter much: but the business of love was, at the bottom of his soul, the most serious and terrifying of all to him.

He was tormented now with sex desire, his imagination reverted always to lustful scenes. But what really prevented his returning to a loose woman, over and above the natural squeamishness, was the recollection of the paucity of the last experience.