Always make sure to wash your dirty clothes. You do not want to wear stinky clothes if will make you smell bad and people will walk away from you.
Brush your teeth at least twice a day. If you have stinky breath no one will want to talk to you. If no one wants to talk to you then how can you communicate. Example if your at work and have to talk to customers with bad breath they will not want to work with you. So always brush your teeth. Also brush your hair and look presentable. Another big one is wear deodorant. Deodorant helps take over any bad smells that are on you.
Always shower everyday. It is best to shower with warm water and always use soap just don't run water over your body. The soap kills bacteria and take body odor off. Showers also make you feel better. Its best to take a shower so you do not stink and people will want to be around you.