As long as you have the will to keep living, any place can be heaven. After all, you're still alive. Chances to be happy could be anywhere. So long as the Sun, Moon, and Earth exist - it'll be alright.
生きて行こうとさえ思えば、どこだって天国になるわ。だって、生きているんですもの。幸せになるチャンスはどこにでもあるわ。太陽と月と地球がある限り、大丈夫。