I've been a lurker for quite some time (3 years), but I have never really seen any good suggestions or techniques on getting the girl to invest.

Along the lines of the Benjamin Franklin Effect, I was wondering how you all personally have let women emotionally or physically invest in you. Doing this, I know that a girl is psychologically more inclined to value the relationship more and the man more. She is also likely to feel more confident in the relationship (and less likely to flake on dates if you've just met her).

Some things I can think of getting her to buy small stuff for you once in a while (drinks, simple meals), but also something I have been thinking about, but have not utilized yet, is telling my girlfriend to plan a date for once.

Any ideas from you all?