Jax Taylor will be “heading back home later this week” after spending time in a mental health facility. The 45-year-old reality TV star is set to exit the in-patient treatment centre he checked into in late July, and Jax is now looking forward to spending some quality time with his three-year-old son, Cruz. A rep for the star told PEOPLE: “Jax has spent the last 30 days in treatment and will be heading back home later this week. “It’s been an emotional month for him and he’s most looking forward to spending time with his son.” Jax is also set to return to filming ‘The Valley’, which began prod…