How Can I Give Him My First Fruits?

In the catholic church, we are still encouraged right to give whatever that first, those first fruits are. We're obliged to support the church and the mission of christ to whatever degree we can. But here is this poor widow. And what she does is she doesn't just give the first ten %. Here she is d she's giving her last ten%. I mean, this woman is not just giving that first fruits. She's giving her ry last fruits, her final fruits. So when it comes to the lord to day, how can i give him my first fruits? How can i love him with my entire life to day, with my first fruits, with my final fruits