It's more important that you be passionate about what you do all day than it is to be passionate about the product that is being sold.
Every revolution destroys the average middle first and most savagely.
Your success is no longer about your ability to do what you are told, and do it well.
Initiating is really and truly difficult, and that's what leaders do. They see something others are ignoring and they jump on it.
If you wait until you are ready, it is almost certainly too late.
The goal of a marketing interaction isn't to close the sale, any more than the goal of a first date is to get married. No, the opportunity is to move forward, to earn attention and trust and curiosity and conversation.