I learned it by watching you!

Like Father, Like Son, also known as I learned it by watching you!, was a large-scale United States anti-narcotics campaign by Partnership for a Drug-Free America.

Launched in July 1987, the campaign used a televised public service announcement.

The PSA features a father confronting his son (Reid MacLean) in his bedroom after finding a box containing an unspecified controlled substance and drug paraphernalia.

After his father angrily asks him how he learned to use drugs, the son shouts, "You, alright?

As the father responds with a look of regret, a narrator then says, "Parents who use drugs have children who use drugs.