What kind of anti aircraft are you involved with?
I'm fascinated with the Phalanx system which provides powerful close in protection.
Phalanx CIWS - Wikipedia, the free encyclopedia
Regarding your problem:
1. Learn from this experience.
2. Be honest and explain to prospective playmates that you are a "Butterfly" and just enjoy having fun.
3. Learn from BM's the correct amount to pay as shelling out large sums reveals you as a soft touch.
4. Use an interpretor you can trust to express your thoughts to such ladies.
5. Don't make a problem where there isn't one. Just be firm.