I am a young trader...I have traded the last 3 years following a very simple strategy. Selling OOM puts in ES. Delta is between 0.10 and 0.14 with 50 days to expiration. Returns are exceptionally good (considering these years weren't the best for vol sellers. Specifically, +61%, -22% and +77% respectively. I don't want to brag about anything, I am just getting a little nervous. Do I take too much risk. Is the risk of blowing up, or sustaining a very big loss too great? Needless to say, I adjust the position if things turn out badly (roll over to a lower delta), but what about w/e? What about if anything quite unexpected strikes? I would appreciate any thoughts