Why did the PL say his ATF was his drug?

WARNING: JOKE AHEAD. JOKES MAY CONTAIN OFFENSIVE CONTENT. HUMOR-IMPAIRED SNOWFLAKES SHOULD TURN BACK BEFORE IT IS TOO LATE. RETREAT TO A SAFE SPACE WHERE YOU WON'T BE BUTT-HURT.

Q. Why did the PL say his ATF was his drug?

A. Because she took all his money and ruined his life.