If god can forgive me (why can't you)

I've smoked a little pack and I've drunk a lotta gin
And I've even been down to a house of sin
The things I've done I can't undo but of God can forgive me why can't you
Sometimes it's hard to forgive and forget give me the chance we can make it yet
The things I've done I can't undo but of God can forgive me why can't you
The things I've done I can't undo but of God can forgive me why can't you
Why can't you