The exhaustion you feel during early discipline is neuroplasticity in motion, because the brain burns significantly more energy building new pathways than maintaining old ones, and what feels like resistance is often just the cost of becoming mentally stronger.
Modern people have lost the art of hosting, being a community member, and inconveniencing themselves.
Throw the party. Host your relatives. Ask the person on a date. Treat your friends to dinner. Learn to cook for others. Meet your neighbors. Talk to the person at the grocery store.