How Can Vaginal Dryness During Intercourse Be Cured?

dear doctor i am 29 years old man, i got married with beautiful 22 old women before 15 days i like her very well but she can't love me such ( i think) at the time of sexual intercourse she is not satisfied and her vagina is dry, sometimes i can't get water in her vagina, also she is getting more pain also please answer me sir Jhon, Nepal