I want to dont know if i should?

ok so my best friend josh, broke up with his girlfriend who everone hated bec. she was evil to him, he didnt like the realtionship either. Josh and i have been friends for about 6 years now, and i've always had a thing for him, and he has for me, but we decided were not going to date each other bec. it could ruin things, but he wants to have with me, i do to, but i dont know if i should do, so please help me!!!!!