simple yet difficult~

what should i do??be brave or not???what if i have mistaken...what if i am wrong??can i start again?i dont know, i am not sure...what should i do for now???is it okay for me to continue doing this??or put an end to it??i should start thinking about this seriously. it is not a simple matter, yet it is actually not difficult~what the heck am i talking about??argh..i also dont know...that's it for now...