Complex sentence: Brady then alludes to his rough patch with Mack, and reveals that he's been working on unique surfboards; he says that Mack can't know because she might not get it, given her plans to go to college.
Split into simpler sentences: Brady then alludes to his rough patch with Mack, and reveals that he's been working on unique surfboards. He says that Mack can't know because she might not get it, given her plans to go to college.