From that I got:

I feel gloomy/have lost heart, like I might wither away.
You will become a child who can moisten somebody's heart.

I know what you mean though about sounding awkward. =\ But I don't know either!


気分がなくて < なくて makes this negative, so they are lacking energy, "気分がないですね" (You look down/depressed!), etc. I think 潤うわせて is supposed to be spelt without the う, 潤わせて. Just to cause less confusion over that word.