How to move on easily and forget about my ex?

So me and my girlfriend had been dating for 4 months and she said we werent perfect because we had so much conflicts. We haven't talked so many days it feels worse than anything. I cried last night thinking about her so much. My health has been worse. My cousin gone and asked her how she was she said "She is better health without me..." It hurts so much. Is there anyway to stop thinking about her? Any motivational quotes or ideas?

How to move on easily and forget about my ex?
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