Make tangible memories. Take photos and screenshots and selfies. Save plane tickets and concert stubs and pretty leaves you find on the side of the road.
Write down how it felt like sunshine on your skin when they hugged you, or how you managed the perfect ratio of tea to milk on that rainy sunday you spent inside.
Highlight the paragraphs that mean something to you, or scrawl them on paper torn from a notebook and blue-tac them to your wall. Jot down that accidentally-inspirational piece of advice from your professor, or the joke that had you and your friends doubled over in tears.
Don’t be afraid of giving the past material form. Time is fake, and good moments make great memories.