You can give, because you have a God who gives.
Is the day of Christ on your mind? Is it having any impact on how you live?
The right attitude of the Christian should never be “God shows me grace, so I can keep sinning!” Instead, the right attitude that we see here is “God shows me grace, so I can keep obeying!”
The testimony of the universe, and of the Scriptures, and of the Lord Jesus Christ is that God deserves your trust and your reverent obedience.