Time, don't dwell on him you must have at least one friend, get them to go out to a movie or go out alone.
This is a bad time of year for break ups, but be optimistic that this time next year you will be with a better person...good luck you will get through this.
He's moving on simply because you're his ex. And he faced that fact.
You need to face that fact as well. Just hold on, time will make everything right. You won't even remember his name after six month to a year.
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