Lost

I was with my girlfriend for nearly 3 years, I broke up with her because I was scared of commitment and because I didn't have enough faith in myself. 

I saught help from a councillor (still am) to overcome these problems so that I could be the man she saw me for. I told her this. 

3 months down the line all she says is 'I think we both need time to heal and work on ourselves'. 

But social media makes me think she has started seeing someone which is completely out of the blue and goes against everything I know about her. 

I am so lost and confused, I made a huge mistake and am doing everything I can to show her I love her and she is my other half. 

I am a mess without her I don't know what to do or where to turn all I do is overthink and cry. 

I've even handed my notice in at work because my job made our relationship so much more areas full (RAF by the way)