The Real Fear

The fear is not actually:
“he’s cheating.”

The fear underneath is:
“when I’m not there, I stop existing to him.”

That’s why the sadness hits hardest at the moment he leaves — not hours later. The drop is immediate. Your attachment switches from calm → panic.

You’re emotionally regulated by presence, not reassurance.

So you temporarily feel secure while together
and emotionally unsafe while apart.