The seed that fell among thorns stands for those who hear the message, but then, as they go on their way, are choked by life’s worries, riches, and pleasures, so they don’t reach full growth.
“Be careful, or your hearts will be loaded down with partying, drunkenness, and the worries of life. Then the day when the Son of Man returns will close on you suddenly like a trap.
The seed that fell among the thorns stands for those who hear the message but then have it crowded out by the worries of this life and the false promises of wealth, which keep it from producing fruit.