The first chemo treatment is tough because you don’t what to expect. I had my second cycle of AC chemo today drove home had dinner and slept and I am up now. Everyone reacts differently my doctor told they prepare you for the worst . So try and go with the flow just try and tell yourself what if I my treatment goes well with little side effect. I suffer from anxiety so I have to constantly reduce my anxiety and not over think things too much . Cheers wish you the best of luck.