You know the name and artists of this R&B song...?

Question

It's slow and all I know is that it sounds like it's from the 80s or really early 90s by a group of guys and they repeat throughout the song "I can tell you how I feel about you night and day"

Answer 1

Artist : Al B. Sure
Album : In Effect Mode
Track : Night and Day (sometimes Nite and Day)

Check if this is the track you want - words are at http://www.lyricsandsongs.com/song/58890.html

Answer 2

Night And Day...Al B. Sure (1988)