The best people I ever had in my team's and units were those who would do what's required and directed and then look for more. They'd not grumble about it, just get after it, and interestingly they would be the ones who would rise faster, get promoted, pay rises and so on. The whibgers did not...but they still had to do the work and invariably they would "weed" themselves out as unsatisfactory for my team.
Anyway, many people are cunts and one never knows until the reveal themselves; for this reason I don't let many people close to me and it takes a long time for me to do so or to rely on others in anything but a cursory manner.
There are two options.
Or has faith in people, then gets disappointed or doesn't trust them in the beginning and gradually trusts them.
If we act in the first way, we turn out to be stupid, and if we act untrustworthy, in the eyes of those around us, we may seem awful, but, personally, we feel much better.
After many situations and many years of life in which I turned out to be stupid, now I choose to be untrustworthy.