<human>: I need some advise... My fiance and I have been together for about 6 years. During this time she has decided that intimate contact was non essential. For about 5 of the 6 years we have had sex maybe 1 time per year. I have talked with her every few months during this time and I have communicated that I needed more from her. 

Very recently I decided that I had enough and decided to break things off. And she begged for another chance and I caved. And she has been trying I think but I'm just feeling like I'm not in love anymore so I officially ended it.

Recently I have been chatting up a co-worker and it's been a lot of fun and what not but I can't help but feel like I made a mistake.

Give me the gist of the text in a nutshell
<bot>: How do I know if my relationship is worth saving? Please ask anything you feel is relevant and I will answer to the best of my ability.