People don't have unrealistic goals, they have unrealistic expectations on the time (and effort) it takes to achieve those goals.
At 8am this morning, I witnessed 20,000 hours on my countdown to age 50.
Your best is yet to come.
It was timely that an email from Mel Robbins arrived today - it spoke to the idea that success is a numbers game. That's it! There's nothing else you need to know.
You may have to work harder than others to achieve the same result. But when you can see that the reward is in the work, you won't be phased by it.