2 Corinthians 2:1-3

2:1 So I made up my own mind not to pay you another painful visit. 2:2 For if I make you sad, who would be left to make me glad but the one I caused to be sad? 2:3 And I wrote this very thing to you, so that when I came I would not have sadness from those who ought to make me rejoice, since I am confident in you all that my joy would be yours.

Romans 1:12

1:12 that is, that we may be mutually comforted by one another’s faith, both yours and mine.

Philippians 1:25-26

1:25 And since I am sure of this, I know that I will remain and continue with all of you for the sake of your progress and joy in the faith, 1:26 so that what you can be proud of may increase because of me in Christ Jesus, when I come back to you.