Set an alarm on your phone, and when it goes off, send a thoughtful text or say something kind every day for a week.
Write a list of genuine, specific compliments or affirmations on individual scraps of paper and put them in a jar, so they can be opened and read whenever your loved one needs a pick-me-up.
Are you crafty or creative? Sometimes people highlight words or phrases in books that speak meaningfully to them. To give a fun gift, find some highlights and have them made up into chalk art.
Create and give a personalized article of clothing to someone you love. Make it meaningful by incorporating something that is significant to them.