The Apostle Paul
1 Thessalonians 2:8ESV·traditional attribution

So, being affectionately desirous of you, we were ready to share with you not only the gospel of God but also our own selves, because you had become very dear to us.

Matthew Henry Presbyterian @wholebiblehenry

In these words the apostle reminds the Thessalonians of the manner of his conversation among them. And, I. He mentions the gentleness of their behaviour: We were gentle among you, Th1 2:7. He showed great mildness and tenderness who might have acted with the authority of an apostle of Christ. Such behaviour greatly recommends religion, and is most agreeable to God's gracious dealing with sinners, in and by the gospel.

Commenting on 1 Thessalonians 2:7-12

John Gill Reformed Baptist @doctorgill

So being affectionately desirous of you,.... Not of theirs but them; not of glory from them, nor a maintenance by them, but of their spiritual and eternal welfare; were as fond of them as a nursing mother is of her children, who, when absent from them but ever so little a while, longs to see them; see Th1 2:17 and Th1 3:1, we were willing...

Albert Barnes Presbyterian @notesbybarnes

Verse 8. So, being affectionately desirous of you. The word here rendered "being affectionately desirous" ιμειρω occurs nowhere else in the New Testament. It means to long after, to have a strong affection for. The sense here is, that Paul was so strongly attached to them that he would have been willing to lay down his life for them. We were willing to have imparted unto you.