It’s similar to getting a pump in the gym. The harder my penis gets, the more I like it.
I don’t need the c-ring, I must enjoy it. Some men with ED need the ring to stay hard.

You may enjoy this short article : https://www.issm.info/sexual-health-qa/what-is-a-constriction-ring-why-should-one-be-used-with-caution/