Healing cannot occur if there is resistance. For example, if a faucet is clogged, and you have no idea where the clog is located, you have no flow. You call in the expert, and your plumber deciphers that there is not just one clog but two - and without removing both of them, flow will not happen.
The World of Pranic Healing
"During the process of healing, a patient has to be receptive" - pranichealing.com
Let's imagine a situation where a spiritual healer is drawing from the divine energy source and projecting into a patient. For some reason, the patient isn't being receptive.