When is the right time to move in together !? HELP !

Delia • Im 18 my boyfriend is 24 . We are very much in love . <3
Im 18 and my bf is 24 ... Hes been talking about moving in together lately and i very much enjoy spending most of my time with him but is moving is too much ? We have only been dating for 1 1/2 months . When is the right time to make the final decision !?