The "Wolf of Wall Street" star was recently reported to have parted ways with model-actress Kelly Rohrbach late last year, after dating for around five months.
She joined the likes of Gisele Bundchen, Blake Lively, Bar Refaeli, Toni Garrn, and Erin Heatherton on Leonardo's list of exes.
"That time will come when that time comes. The truth is, you can't predict marriage. You can't plan it. It's just going to happen when it happens."
DiCaprio, 41, is instead choosing to focus on his career as his work allows him to escape the monotony of everyday life, even though he is still baffled by the intensity of his fame.