The song you remember must be "At This Moment," which was written and
originally recorded by Billy Vera (and the Beaters) in 1981, and it
became a hit in 1985 after it was featured on "Family Ties." Here is
a link to the complete lyrics:
Links & Love: At This Moment
Here is a link to a brief history of the song:
Song Facts: At This Moment
And, here is a link to information about Billy Vera:
All Music Guide: Billy Vera
You can find an audio clip of the song here:
Barnes & Noble: Love Songs (Columbia River)(at Disk 3, track 1)
The song has been covered by several other artists, including Freda
Payne, Tom Jones, Wayne Newton and Arthur Prysock.
I used several Google searches to find the information, along with
searches at the All Music Guide site. Here are a couple of the Google
searches that were most helpful:
"20 OR twenty years of my life" "walk on" ground
"freda payne" "at this moment
I am confident that "At This Moment" and "Billy Vera and the Beaters"
are the song title and artist that you had in mind. If anything is
unlcear, please asl for clarification before rating the answser.