You have two things you need to learn here: 1) how to add some loops to something or whatever this is unimportant in the long view 2) how to get over feeling embarassed about your work and instead put it out there so you can get useful feedback. People improve much more quickly when they present their work than when they…
select an edge, click select edge ring then click connect and put in how many edges you want. assuming everything in still quaded then that'll add in new edge loops. edit: just looked again and it looks like its not still quaded :( are you using max or maya? in maya there's a cut faces tool that allows you to draw a line…