Thinking you are undersiege or have to save the world can put stress on you. My best insight is that we are here to realize we are more than a bunch of atoms, that we are actually designed. That's an opinion, but everything is in fact, an opinion on the state of reality with various forms of evidence. Thus we are not the creator of this place - we are probably here to discover there is a creator we came from and go back to (that's what spirit is).
If anyone who is feeling stressed or troubled. Please watch this set of videos(oldest first). In human psychology is Richard Grannon is the genius of our times. From the UK nonetheless!