People in the world are generally quite self-centered. Even saved people are often lovers of their own selves instead of preferring one another.
Why would the Lord invite those weary from labour to wear a yoke? And then, why would the Lord promise rest by inviting people to labour?
Life will present difficult situations. The only viable solution will, at times, involve taking a step back and regrouping mentally, emotionally, and spiritually.
Christians will, at times, desire to hide from the ones to whom they have been called to minister. Even Christ had times when He desired seclusion.
