But it happened after a while, in the time of wheat harvest, that Samson visited his wife with a kid; and he said, I will go in to my wife into the chamber. But her father wouldn't allow him to go in.
The gift of a little goat for his wife seems also to have been the customary price of conjugal visits, that being exactly the price that Judah agreed to pay Tamar for his "going in unto her," not knowing that she was his daughter-in-law  (Genesis 38:17).  It seems never to have occurred to Samson that he was a bit late with this attempt to consummate his marriage.