A better deal comes around about every 90 days. Admittedly, loyalty is on the shoulders of both the company and the distributor. Loyalty which should intersect at the customer. The company has a debt to the distributor for getting the customer and should stay loyal to them. Don't change the marketing plan drastically, don't change manufacturer or the ingredients.
Distributors also have a debt to the customer.
If you recommend a product, stick with it. You have put your word, your reputation, and your credibility on the line for the particular product or service you are selling. Make the commitment stick by being committed. The amazing thing about network marketing is the simple complexities. Simple by making the customer the most important thing.