Answer the question about text:

I ' m always at war with my weight because I ' m not eating right , I ' m stressed over stupid things sometimes . Basically I do a good job of beating myself up and letting things bother me that I really should n't . Now it 's hard to change all that but I think I can . I need to just buckle down and be happy with who I am and take all my insecurities and flaws and realize they are what make me a Melissa and I have to deal with it .

How would one describe a trait of the narrator 's personality ?
The narrator is insecure .