just focus on challenging myself That's a good lesson and its effectiveness is also supported by research. http://www.csulb.edu/~dthoman/Pubs/ThomanSmithSilvi

just focus on challenging myself That's a good lesson and its effectiveness is also supported by research. http://www.csulb.edu/~dthoman/Pubs/ThomanSmithSilvia2011.pdf http://www.csulb.edu/~dthoman/Pubs/ThomanSmithSilvia2011.pdf As Heidi Grant Halvorson put it: focus on getting better rather than being good.