text: yaar,suna kya? ek naye study ke according, khush rehne wale log zyada productive hote hain, log is par khud ko test karne ki soch rahe hain!haan, sach mein, agar hum khush rahenge toh kaam mein bhi maza aayega, aise experiments toh sabko karne chahiye, kyunki positivity se sab kuch badalta hai.