Reasons why you should sacrifice something for Allah -
1. It is true submission. True struggle for Allah.
2. Continuing the legacy of Prophet Ibrahim. You will be like Ibrahim a.s. Your struggle will be similar to a great prophet. Allah will reward this struggle in ways you can't even imagine.
3. A sense of closeness to Allah.
4. Improved relationship with Allah.
5. Knowledge - Imagine more knowledgeable version of you.
6. Rizq. - Imagine more rizq in all areas of life.
7. Unexpected ways/answers for your Dua.
8. Time + headspace to seek forgiveness and repent.
10. Allah will replace what you left for him, with something much better.
11. Truly, now, you are submitting to Allah - this it self shows that you are a true Muslim. Striving to please Allah. Subhanallah.
12. If you gave up something for Allah, seeking something - he will give it to you.
13. Allah will bless you with tahajjud and Fajr. He may make prayers/salah easy to wake up for.
14. When you leave something for allah, Allah has promised to compensate us with that which is better. REMEMBER, ALLAH NEVER FAILS IN HIS PROMISE. NEVER.
15. Allah will grant you the miracle you were praying for.
16. You are following the 64:16's commandments of Allah. (May Allah reward you immensely if you looked it up!)
17. In Yusuf a.s words from the Quran "the wrongdoers will not succeed" [6:21] - Remember this and strive for allahs pleasure.
18. When we hold on to Allah. Allah helps us in massively. Not just aid but he sends massive aid to assist us. Think about this!