Even though a Bloody Mary may sound good too you, a Virgin Mary is a much better choice. The absolutely worst thing to do the morning after is to have another drink. The alcohol may temporarily help your symptoms, but it will hurt in the long run. That morning drink will lead to an even worse hangover the following day. Tomatoes, those blessed vegetables fruits, are about 90 percent water. Quenching your thirst helps your liver and kidneys process the leftover alcohol in your system.