We've been acquaintances since 1st year, started around 4th yr for 6 months and we've been official for 3 months. We never had sex (penetration), but aside from that, we are exploring our sex life. She never had any issues of getting wet when I finger or eat her, but the last time we did it, she had a hard time getting wet and even if she would, it would dry up quickly. She even said that she's not stimulated when I play with her boobs. She likes it when I eat her though but after that, the feeling is gone (she explained to me). She also has an irregular menstrual cycle so we can't tell if it's the hormones.
What do you think is the problem? or is there any problem at all?
edit: she just told me that even when she tries to please herself, it's no longer the same. there is no tingling sensation.