Why he does that??

I blocked my narcissist ex before 4 months on my mobile and everything. Because he discarded me and treated me bad.

After 4 months of completely no contact he contacted me from another number.

He sent me: you blocked me..?

I Didn’t know it was him!!!!!!

I replied back: who’s that?

He didn’t answer..

Then I checked on true caller and I knew it was him.

What I don’t understand why he contacts me then disappear?

( the healing process was so hard to get over him, am afraid I will fall again)