Why life is so hard without a friendship ?

I am Emmanuel modu I am 18yyears old I live I a small city close to Lagos so after we finish writing our waec I decided to move to Lagos to .make some money so i ask my friend musa,musa to me that Lagos is hard but I ignore his advice I moved on with my decision when I went to Lagos I was robbed and left with nothing no place to sleep I decided to go back home I now realized that my friend advised is the best.