“I’ve met a guy who I really, really like,” said Marcella*. “But how do I know if I can trust him? I don’t have a great track record with me, and I’m worried that I like him for all the wrong reasons.

The Trump administration says it has a deal to save the popular video app, which by law must find a new, non-Chinese owner or face a ban in the United States. By Sapna Maheshwari Amanda Holpuch and ...