The moment I knew: I’d lost his number and was about to switch off my old phone for good – then a text pinged

<p>When <strong>Karen Bleakley</strong> locked eyes with Matt on the dancefloor, it was a sign of a new beginning. But when she lost his number, she thought she’d never see him again</p><ul><li><p>Find more stories from <a href="https://www.theguardian.co