Stay busy with your task, work, and other activities.
Another reason for her not replying could be that you confessed your feelings to her too quickly.
How do you tell if she is over you? Find a cat pic, a Unicorn meme, or something that will make her laugh.
A truly feminine woman wants a strong man who has drive and purpose in life, and the last thing she wants to do is get in your way—her greatest desire is to get behind you and support you.
However, she might be thinking things are going just fine.
Women are hard to deal with.