True Love

I just want some input on the friends before lovers motto Anyone out there experiencing being friends then it turning into much more than that. Our relationship went from best friends to omg what is this in a 6 month period.It is a good feeling but my fear is that someday we will slip back to the friend thing because it was much less complicated. We  truly love each other and all that so that isnt an issueAny input on this will be helpful ty.