Im sorry your heartbroken over him..
You gave him a hundred more chances to be honest and put you first.. He chose not too.
You deserve much better than his lying *****
Where to go from here ? I honestly think that seeing a Therapist can help you process this whole mess.. Also block him across the board .. phone, social media etc I feel its going to be the only way to move on.. Its going to hurt but constanly being lied to will hurt you more in the long run.