Synonyms of "I love you"

Philippines
April 29, 2007 8:28pm CST
This guy, i really like him but i can't be with him for a reason, maybe some other time, or maybe not ever. Anyway, i want him to know that he is special to me and since i can't tell him i love him i just say it in other words... "ingat". This is a Tagalog term for "take care" or "be careful" How do you say it when you just can't say it? What words do you use to mean the same thing?