Proverbs 27:12 says “As iron sharpens iron, so one man sharpens another.”
If we can’t be transparent with one another then there is no way we can grow (sharpen) each other.
If we are afraid to be transparent because of shame hidden away in our life then transparency should be an encouragement for us to move beyond what brings shame and into a beneficial and strengthening relationship. See Galatians 6:1 “Brothers, if someone is caught in a sin, you who are spiritual should restore him gently. But watch yourself, or you also may be tempted. Carry each other’s burdens, and in this way you will fulfill the law of Christ.”
On the other hand if we are afraid to be transparent because of self-doubt or shyness then we may be robbing those around us of blessings and encouragements. 1 Corinthians 14:26 “What then shall we say, brothers? When you come together, everyone has a hymn, or a word of instruction, a revelation, a tongue or an interpretation. All of these must be done for the strengthening of the church.”
Your description of Christ is on the mark. He had little patience and was very blunt with those who should have, or professed, to know better. Yet, with the poor, sick, weary, and those truly seeking him he had compassion and kindness.
Your words are encouraging to me but also convicting. Nicely said, uhh Kindly said? Well put! 
