Don’t be too hard on yourself. You’ve effectively only been driving for about 5 or 10 weeks if I’ve read you right. Tankers! Liquid load in the back requires a different approach to driving but the company will go over this with you. I’ll give you one tip for now. Take a bit of care hooking up to one as they have a less visible profile in your mirrors than a curtainsider making them more difficult to see, especially in poor light conditions.