Ah, the never-ending cycle of Javi Marroquin and Kailyn Lowry's relationship. The Teen Mom 2 reality stars wed in 2012 after a whirlwind relationship documented on the show. Together, they had son Lincoln, 3, and parented 25-year-old Kailyn's son from a previous relationship, Isaac Rivera. Now, fans are watching their relationship's demise on WE Network's Marriage Boot Camp: Reality Stars. But after three years of less-than-blissful marriage, the couple endured a tumultuous split.