Can someone super good at grammar check a few sentences for me?
you should spend more time researching the meaning of the words you use and that will help you in the language in your examples the general meaning is understood but the words are not correct for the sentence
Look pretty good the way they are, with a comma or two or suggested semi colon added in my slight edit: Once I started feeling better, my mom again let me become ambulatory. He was brazen, even when others were frozen in fear. Annie didn’t like hanging out with him because he was churlish. She was very diffident; so she decided to practice more public speaking. After sleepwalking through his day of work, he was filled with a sense of ennui.