Hi man, (I am sorry for my modest english but I hope you might understand my story)
i had/ have the same problems since some months. When I started with all these contents about enlightment and spiritual insights I developed some kind of fear of it, which might be normal. It's new field which opens up for you and you cannot relate to all these different things you learn in this small amount of time. In my case my reaction was similar to your description. I built up resistance to every action I took. it was horrible sometimes, and really took away so much energy from myself. The reaction of it is that you make a problem out of it, which makes the problem even worse.
In my case it helped to get conscious about whats going on, just to look at it and say: ahh ok I'm building resistance again. Whats the best way to deal with this situation? Not to resist against the resistance. Then I know whats going on and am able to continue my concentration to other stuff. Sometimes it goes away sometimes not, but nevertheless it's in my opinion the only way to deal with it.
It's really not necessary to analyze what's going on all the time, because by this you only give your resistance more importance than it actually deserves. Just say I'm fine with it, but don't expect because of that that it might go away, just be really fine with it, in an authentic way- because then it really disappears.
And be patient in many cases it needs really long to get rid of this little sneaky neurosis.