I hope you don't mind if I write a small arc about the relationship between Sherlock's folks.
Not Perfect
Anita sipped thoughtfully at the hot chocolate she'd bought and examined the watch John held up. Finally, she gave her head a slow shake. "Mm, no. Not personal enough, and Sherlock already has a watch. A rather nice one; I got it for him myself."
John sighed, glancing at the watch he held. "…And it's already five."
"You'll find something," Anita said reassuringly. "If it's any comfort, David always loves the gifts I give him, even if they're not perfect."
There was something John was curious about. "May I ask how the two of you fell in love?"
"It was trial-filled."
"Really."
"Yes. He'd been engaged."
Prompt was from Javien Deluke, and it was: trial