He feels all our sorrows, needs, and burdens as his own. That is why it is said that the sufferings of believers are called the sufferings of Christ.
John FlavelThe knowledge of Christ is profound and large. All other sciences are but shadows; this is a boundless, bottomless ocean. Though something of Christ be unfolded in one age, and something in another, yet eternity itself cannot full unfold him.
John FlavelWhatsoever we have over-loved, idolized, and leaned upon, God has from time to time broken it, and made us to see the vanity of it; so that we find the readiest course to be rid of our comforts is to set our hearts inordinately upon them.
John Flavel