Puzzling that a woman, who is regarded as property in Islamic cultures, would wish to become an active participant in their Jihad.
Some women dream of being the property of a sufficiently "Alpha" man.
Look at a lot of the "romance novels"/"women porn" you see in bookstores. Fantasies of being in the power of a pirate king (or some such) are very common themes, indicating that women pay money to enter into the fantasy.