Moses 4

The Lord told Eve - 

"...I will greatly multiply thy sorrow and thy conception. In sorrow thou shalt bring forth children..."  (Moses 4:22)

And to Adam - 

"...Thou shalt not eat of it, cursed shall be the ground for thy sake; in sorrow shalt thou eat of it all the days of thy life."  (Moses 4:23)

Obviously, the Lord was teaching that mortality would bring tribulations.

I mentioned Sunday in Sacrament Meeting talk that I though some sort of hurt or pain was a preface to developing love.  Just a thought.