I broke my fiance's heart who i still love & he wants me back! Advice Needed?

I am 25 and was previously in a relationship with the man of my dreams who is in a successful touring band, we met and started dating when i was 17, dated for 6 years & i moved out to California to be with him, He proposed to me a year before we broke up, He is now 34 and hasn't dated anyone since we broke up. We broke up because i couldn't get a lot of time off work as we always wanted me to be on the road with him & asked me to be with him full time but after i had a miscarriage i went into a depression & tried to push him away, Neither of us wanted the break up but i thought at the time it was the best thing to do, He always swore to me that if it wasn't me he married then he'd never get married at all. When we were together he always said i was his muse & wrote many songs about me, he still to this day says that certain songs are influenced by me and even uses some quotes i always said to him in them. My ex came by my job in the city last weekend and he told me that he would give everything to go back and not let me walk out on him, that he feels a huge piece of his heart is missing and that he still loves me with everything he has & that he'd do anything to make me happy. I almost started crying when i hugged him, I am still so in love with me, my heart is aching for him, He is always on my mind i always find myself thinking about being in his arms. He asked me if there was any chance i would go back to him, He said he's had 2yrs without me in his life and he doesn't think he can go anymore, I really love him. Any advice?

No, it is not advisable to go back to him again as there is no guarantee of similar break up again on some other excuse. What a fantastic story indeed is this making a fun of everything including marriage. There is no guarantee that break up will not be repeated after marriage on the same or some new reason too as both of you don't seem to be of stable in long term decisions. For marriage, love & lust are not everything. First be a truly God fearing person, study a lot about real meaning, concept, basic definition & system of marriage & great responsibilities involved therein. It needs solid & stable commitments & 100 % principled stand, not volatile like the same of both of you. If you really badly want a husband now, this man doesn't seem to be a reliable one. You must follow basic safety principle particularly while dealing with boys. 'Safety first, anything else after that only'. An unmarried girl knows well what safety means for her. No verbal promise of him looks reliable to me.