I have mixed feelings about him, but I do not want to get back together due to him being a liar and cheater (and possibly a stalker). Not really the kind of guy I want for a long-term committed relationship...

He is not in my life in any other way - that I know of. We did used to run in the same circles, but I've kind of removed myself from them over the last year or so do to breaking up and other circumstances in my life.

I agree there is a stalker-like quality to him but a very odd or lazy one , since the texts and calls are the extent of his attempts to engage me (it's good though, b/c he isn't really a threat). Yes, I probably should block him for good and truly move on. Letting go of the past is one of the things I am working on.

for all the replies.