What is Mma Ramotswe thinking about in the opening pages of the novel, The Kalahari Typing School for Men?

In Chapter One, Mma Ramotswe finds herself reflecting on the past few months during which her fiancé, Mr. JLB Matekoni, struggled with a depressive illness. During his illness, Mma Ramotswe moved the offices of her business from her home to the offices of Mr. Matekoni's business, Tlokweng Road Speedy Motors.