Solomon
Proverbs 5:12ESV·traditional attribution

and you say, “How I hated discipline, and my heart despised reproof!

Matthew Henry Presbyterian @wholebiblehenry

Here we have, I. A solemn preface, to introduce the caution which follows, Pro 5:1, Pro 5:2. Solomon here addresses himself to his son, that is, to all young men, as unto his children, whom he has an affection for and some influence upon. In God's name, he demands attention; for he writes by divine inspiration, and is a prophet, though he begins not with, Thus saith the Lord.

Commenting on Proverbs 5:1-14

John Gill Reformed Baptist @doctorgill

And say, how have I hated instruction,.... To live virtuously, and avoid the adulterous woman; this he says, as wondering at his stupidity, folly, and madness, that he should hate and abhor that which was so much his interest to have observed.

Jamieson-Fausset-Brown Reformed @jfbcommentary

The ruined sinner vainly laments his neglect of warning and his sad fate in being brought to public disgrace.