There are many different ways you can improve your work or make an idea better. I have found, that it is very useful to use my friends, and my colleagues. Show them your work, your sketches, concepts. etc. Don’t be afraid to show them your early ideas and your progress as you go.
Especially when you work freelance or are a solopreneur and you often work on your own, it is unbelievably useful to get input from friends that you trust.
Even non-design friends can bring important insights.
Even non-design friends can bring important insights. Ask their opinions in a guided way if they aren’t designers and you will get some interesting and new perspectives that could really help you. So try using your friends, they can be valuable assets.