When I mention to my non-tennis friends that tennis could add up to 9.7 years to my life, suddenly my obsession makes a lot more sense and they start eyeing a tennis racquet too. Why do you play tennis? 🎾 #Tennis #Relatable #TennisHumor #TennisHack #TennisPlayer #TennisCommunity #TennieCourts #NationalTennisMonth #USTA