Of course not. Lucky for us, the great master of 70s soul had a summer hit, and as an added bonus it's my all-time favorite Al Green song (with the possible exception of "Take Me to the River").
Al Green made what he did (and still does) sound very easy, which usually means that it was very difficult. He was not a "shouter" like Otis Redding or Wilson Pickett, but that power was there, barely hidden under the surface. And that made the songs all the more powerful, because you never knew at any given moment whether the Reverend Green would just let it fly.
Al Green, "I'm Still in Love With You," from the summer of 1972.