Why did my ex (who initiated the break up) text me this?

my ex who I was with for 4 years texted me after 1 week and couple days of no contact. We spoke about getting back together but he said he liked being on his own and said he didn’t know. Felt all confused so I left it alone, something I never do since I’m always there and never leave.

Why did my ex (who initiated the break up) text me this?
Why did my ex (who initiated the break up) text me this?
Why did my ex (who initiated the break up) text me this?
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