Answer:
motivation
Step-by-step explanation:
Sondra experiences what is called learning by teaching. As she loves gardening, talking about it or explaining it to a wider audience helps her own understanding getting enriched every day. This helps her motivation scaling up every day. In the nursery, Sondra lives among the plants and her proximity to plants and her advice to customers in explaining the process of plant rearing is a great motivating factor for her own gardening passion. Her love for gardening helps her business as well as she can better explain the kind and process.