[2] The song was written during the same time as several other White and Rod Argent compositions, as they were preparing a recording session upon their return to the United Kingdom and therefore needed material.

[2] The song stayed in the vaults of Decca Records while the group embarked on their second United States tour in mid-July.

[3] Upon return however, the song was finally released on 3 September 1965, when it was issued as the B-side of the group's sixth single, "Whenever You're Ready",[2][4] which had been recorded a few weeks before "I Love You".

[4] According to Paul Atkinson, their guitarist, they thought that the song would become a huge hit, and "lost a lot of heart" when it didn't.

According to Derek Johnson of New Musical Express, "I Love You" had a "more fortright approach" than the A-side, noting both the harmony vocals and organ.

"[7] Retrospectively, Daniel Williams writes: "Perhaps, as happened to sixties groups desperately looking to rediscover a magic formula, some fatal hesitancy was exhibited about which side of a single was which; ‘I Love You’'s structural inversion of chorus and verse makes it both a dramatic and memorably harmonic B side, trumping ‘Whenever You’re Ready’'s more traditional delights and wig-out organ".

[9] "I Love You" proved to be successful in the Philippines, upon which the group sold out 10 concerts at the Araneta Coliseum in Cubao, near Manila, in March 1967.

[11] The now famous album cover shows the band standing in a high-school sports hall in the Stockholm suburb of Solna.

Israel, South Africa, England, Scandinavia, Argentina and America where it actually hit No.1 in every 'market' all over the country, but not in the same week.

was produced by Mikel Hunter, an upstart who broke all the rules of AM Boss Jock Radio and could predict much more accurately what was going to be a hit.

So any radio programmer could take a look at Hunter's playlist, several weeks ahead of the nation, and pick the hits for free.

But Larry [Norman] left the band on the day when Capitol followed up the little hit that could with a revamped version of the album for its premier release.

toured extensively, appearing three times on Dick Clark's American Bandstand, and also on Johnny Carson's The Tonight Show.

's heavy touring schedule, a promotional film of the group performing the song which aired on American Bandstand,[24] and despite favorable reviews,[25] the subsequent album, which was named after their hit single, was released by 13 July 1968,[26] but only reached No.138 on the Billboard album charts on 10 August 1968.

[31] On 1 June 1967 the single was released in Japan by Philips Records, backed with a cover of "I Was Kaiser Bill's Batman (口笛天国)".