Written and first recorded by Kris Kristofferson (US #26/MOR #4/CAN #21 1971).
Other hit versions by Roger Miller (C&W #28 1971), Tompall & the Glaser Brothers (C&W #2 1981).
From the wiki: “Lovin’ Her Was Easier (Than Anything I’ll Ever Do Again)” is a song written and recorded by Kris Kristofferson for his 1971 album The Silver Tongued Devil and I. Released as a promotional single, Kristofferson’s recording did not chart as a country single, but did crossover to the Hot 100 (#28) and Adult Contemporary (#4) charts.
“The song was also released in 1971 by Roger Miller, who included it on his album The Best of Roger Miller and using ‘Lovin’ Her Was Easier (Than Anything I’ll Ever Do Again)’ as a promotional single in July 1971, charting in the Country Top-30.