I find it interesting that when Moses confronted Aaron with his sin, Aaron responded with lies. According to Aaron, when he threw the gold into the fire, out popped this calf! But if you read vss 1-4, you can see that Aaron fashioned the calf himself.
We are the same way. It is easy to make excuses for our sin, making it appear to be nt as bad as it really is. Instead, we need to confess our sin, and make no excuses for it.