Your mindset and perspective is powerful. The key to success is realizing that our big goals aren’t going to happen overnight. We tend to focus on the end goals rather than on each small step it takes to get us there.
Here's an article with some great insights on the topic of celebrating small wins.
Highlights include:
Find what motivates you
Appreciate the journey
Create/Edit small habits (see Habit Loop article)
Track progress
Celebrate small successes with healthy rewards
Have self-compassion and flexibility