When taking on first management position you’ll find that a lot of people will think they the ‘best’ advice for you, some will suddenly act as prophets sharing the key to success and others telling you anecdotal stories from ‘way back when’.
You got yourself to management.
You worked hard and it has shown.
You know your own strengths and weaknesses.
You are the key to your own success.
Believe in yourself and trust your gut.