take it lightly

i just had a chat with the c chess pro from nyp n one thing that he said was quite interesting to me was, "dun take it so hard, like me i take it lightly n i m on the next level of strength.." i'm like hmmm maybe thats y i'm stuck here, maybe becoz i take it so hard....i want to try one game where i can just take it lightly n play without worries of making the wrong move or what....