Well, Filipinas are not easy to please and are hard to convince.
She wants a man who can afford a family and one way of making her feel this is by being generous.
If you can afford to buy her flowers, chocolates, give her family a present and treat her to a tour, that would be a big plus for you. Some modern Filipinas don’t think that this is necessary anymore but if you want to impress your date, this will work.
Also, if you hesitate to spend, she might think that you are broke.
We are not a US site but advisors feel the USA law could cause future VISA applications to be denied.
I do not want any man or woman to reach that point only to be denied a VISA on account of getting their initial contact info from a "non-compliant" website.