two things that you have to bring everywhere you go

There are two things that I always carried everywhere ie wallets and mobile phones, the reason why I always carry a wallet because in my wallet contained a driver's license and money, if I do not carry a wallet then on the way, I feel something is missing so that it made me uneasy. While the mobile phone, why I always carry a cell phone? Because it is a communication tool that is very important to me, if something happens to me, especially on my way, then I can contact family or friends to ask for their help, as well as the wallet before the goods are important to carry it everywhere when I travel.