mind if i ask why your dad is yelling at you? maybe he is overly frustrated and doesn't know how to talk about it. not making excuses but he may have a valid reason for being upset, especially considering your info says you are 27 and you just had a blow out with him. maybe he figures he has put in his time and that you are an adult now so and wants you to be more self sufficient. i can't imagine being 27 and purposely living at home with my parents. also, if you think doing a phlebotomy workshop would get you work at the hospital, you should probably do that. i know it's not right to have to walk on eggshells all the time and worry about being yelled at. i feel like that all the time with my boyfriend. he seems to think i'm incompetant and can't do anything right. but, it's my house and i can do as i please so basically i just tell him to shut up and leave if he doesn't like how i do things. you are an adult living under your dads roof. that puts it on you to try to find a way to talk it out with him, work out a compromise of some sort on the things that upset him. maybe sit down with him and let him help you write out a list of goals with a timeline to work towards. at least that way he won't feel like you are still a little kid that needs taking care of, maybe he'll lighten up on you.