How was Jon Bon Jovi affected by his voice strain?

At One Point All He Could Think About Was 'I'll Never Reach The High Notes On 'Prayer''

In The Band's Behind The Music He Notes That His Vocal Chords Were Given Steroids To Help Him Sing But In His Biography,It Is Noted That The Steroids Only Hurt Him,They Never Helped.

He Had To Enlist The Help Of A Vocal Coach To Be Able To Finish The Slippery When Wet Tour

He Was No Longer Able To Reach The Extreme High Notes At The End Of Livin' On A Prayer