'Counting On': Jana Duggar Opens Up About Being the Only Single Adult of Her Siblings (Exclusive)

Jana Duggar candidly addresses being the only single adult sibling in her family. The 30-year-old reality star opens up about how she's frequently asked about her relationship status and why questions about courtship can feel 'old and tiring.' 'Counting On,' airing Tuesdays at 8 p.m. ET/PT on TLC.