𝐓𝐡𝐞 𝐏𝐨𝐰𝐞𝐫 𝐨𝐟 𝐋𝐨𝐧𝐠-𝐓𝐞𝐫𝐦 𝐓𝐡𝐢𝐧𝐤𝐢𝐧𝐠: - It may take 30 days to form a habit, but that habit can improve your life for decades. - It may take 1 hour to finish a workout, but it will boost your mood for the next 12 hours.