The "learn form your own mistakes" phase must occur at some point, regardless. You may or may not be capable of learning from the mistakes of others; which is

The "learn form your own mistakes" phase must occur at some point, regardless. You may or may not be capable of learning from the mistakes of others; which is the prime reason for listening to others. The other reason is gathering ideas for things to do; and it sounds like you've already got that covered.