PenciDesign replied
Hi,
Please check:
1/ Go to Dashboard > Settings > Disccusion > and check the settings there. Maybe you've check to close the comment after some times...
2/ Go to edit this posts for example:
https://travelwithchen.com/how-i-found-cheap-flights/
And make sure you've allow comment for that post:
https://en.support.wordpress.com/enable-and-disable-comments-for-published-posts-and-pages/
Best Regards,
PenciDesign