Many people run away from sales as they are afraid of failure, it is the rejection in sales or worst still the belief "no one will buy from me".
Firstly, accept that you will need to regularly educate yourself to overcome your sabotaging and limiting beliefs to be an ongoing success.
Secondly, accept that your service/product may not be suitable for everyone, so be clear of your market, not everyone is your customer.
Thirdly, accept you are forever in learning in developing your sense of trust, respect and focus to overcome days, when your inspiration is at an all low and the motivation, is dead. dark-side.