Compliments are a really integral part of my belief system, and an essential factor to consider when interacting with me. If you compliment me I will pretty much give you whatever you want and the best part is that I don’t really care if you mean it or not. Compliments are a powerful tool for forgiveness in my culture - if you murdered my family but said I had nice hair I’d struggle to settle on one fixed emotion.
In terms of what I like having complimented most, I’d say as a rule of thumb I respond best to (in order) :
1. Anything looks based
2. Personality
3. Being reminded of great things I’ve done
If I don’t feel I’m getting enough compliments from a friend then I will send out the occasional reminder that I do cancel friendships from time to time.