How to get my ex-boyfriend (sagittarius) back? He wants space after 8 years to breathe. HA haha?

We have been dating for 8 years. We love each other, but he "fell out" of love but wants to be friends. He wants to become friends because it's more meaningful? We were friends. So I'm confused and hurt. I finally said - okay. So how do I get him back from friends to lovers? I know not to push him, beg - but I'm hurting inside. I know he needs his independence. Maybe things got boring with our relationship. i got insecure and needy. Something all men hate. I know, I know. I am a libra by the way. He's 30 and I'm 27. I want that spark back into our relationship - and hopefully after this friendship we can be lovers again? It's been three weeks and we talk here and there. We hug and say we miss each other. Has anyone been in this situation? Two people at my work (men) said that they married their high school sweethearts but also wanted breaks from their now wives. So do you think we got something here? The main prob is the emotional disconnection - because we connect "biologically" well - extremely well if you catch my drift. We were talking about getting married. Does he just want a vacation from me? Don't say patience! haha Any advice would super sweet!