When we achieve success 🙏 it worth celebrating so in other words celebration is a moment of attending event to celebrate someone, either birthday, wedding anniversary etc.
Like you said you only focus on the present so if any moment coke now for you to celebrate you will just celebrate it now instead of hoping for a future celebration.

Celebration bring unending joy and happiness to our life, and every celebration have a meaning or reason behind it and it's always memorable and joyful as it helps us to forget about the bad side of life.
Accomplishing your religious education was a memorable and joyful moment of your life which you will never forget In a hurry and I wish you more happy moment in life.

Wishing you success in this challenge my brother 🤝✌️