There's always room for growth

... even if it's stressful. Mastering a new skill means more stress now but more happiness later.

The key is to choose the right new skill to master, a challenge to undertake, or an opportunity to get out of your comfort zone. The greatest increases in happiness come from learning...

Examples of half-work:

• You start writing a report but stop randomly to check your phone for no reason or to open up Facebook or Twitter.
• You try out a new workout routine. Two days later, you read about another “new” fitness program and try a little bit of that. You m...

One can get stronger by increasing the size of the individual muscle fibers, and by recruiting more of the muscle fiber to work together when needed. 

A bulky body is also considered a negative in certain sports. Getting bulky is a specific, targeted training which includes high-volume exer...