Why did my ex move on so fast, we have only been broken up for 2 weeks?

Leave things unclear, open-ended and complicated with their ex where it constantly interferes with new relationships.

On some level expect their new man/woman to make up for the wrongdoings of their ex.

They think that just because they did the emotional checking out while still being with you, they don’t need to work on healing and processing once they left for good.

Five Observations from Bayern Munich’s dominant 10-0 win over Auckland City - Bavarian Football Works

It‘s also a very common reason for breakups — people just don’t take the time and space anymore to rediscover life without their ex, to heal in solitude for a couple of months, to mentally and emotionally adapt and adjust to the single-lifestyle (life when in a relationship is very different from life when single) but jump straight into a rebound and thus, they carry all their past emotional baggage from previous relationships into their new ones.

Get into relationships before they’re able to emotionally commit to someone other than their ex.

And the way this manifests is that they:

Is it common for Americans to feel "trapped" due to the size and distance of their country from other countries/continents? Is this feeling an exaggeration or a reality?

More often than not this happens because people tend to overestimate how fast they can move on and process a breakup and underestimate the work, power and awareness this really takes.

Do everything to avoid solitude as much as possible.

Constantly compare their current men/women to their exes.

To a flat Earther, what's wrong with the idea that gravity is simply a force inherent to space which operates only in one dimension? Why do they go further and try to deny gravity rather than just saying it's different than physicists claim?