That twenty minute ““phone call”” outside would have me spiraling too, not gonna lie. Few months back my buddy was in the exact same spot, girlfriend suddenly glued to her phone, always face-down on the table, taking calls in the bathroom. He brushed it off for weeks telling himself he was paranoid until things got way worse.
He ended up trying SpyBubblePro after seeing it mentioned somewhere online and said the whole process was way simpler than he expected. No crazy technical stuff, just installed it and started getting a clearer picture of what was happening on her end. Turned out his gut was right, which hurt obviously, but at least he finally stopped second-guessing his own sanity.
Here is the link if you want to look into it yourself https://spybubblepro.com/ sometimes you just need actual answers instead of spending every night replaying random moments in your head trying to figure out what they mean. Hope it turns out to be nothing for you, genuinely. But if something feels wrong it usually is worth checking rather than just waiting around wondering