Lily tensed a little at the motion, flexing the fingers of her right hand though she made no move toward her own wand just yet. There was no need to escalate the situation, plus she could manage minor charms now, mostly properly, without her wand. She had been practicing.
"I am not," she assured him. "I arrived here myself ... just a few weeks ago. I was ..." She hesitated. If he was a wizard, as she assumed he was, then he'd understand. If he wasn't, then it wouldn't matter. "Apparating with the intention of returning to my flat, and I wound up in an alley here instead. Granted, I'm only displaced fourteen years, but it was still a bit of a shock."
It still was a bit of a shock, when she thought too much about it, so she tried not to. She was ... living a life here, now, as much as she'd rather be at home with James.
The year though ... she thought that would place him around Harry's age, give or take. "You might ... there's a bloke here, Neville Longbottom? He's a bit older than me, but he's ... I think he would have been about your age, if I recall his timeline correctly. You might know my son as well. Harry?" If the stories had been true, she was going to guess that everyone and their sodding cousin knew her son.