How will you know your relationship is on solid ground? If she’s running after you, red-faced and trembling with love and yearning and desperation and desire and, yes, fear. The sexual polarity is aligned. The love amplified.
If you’re running after her, afraid to lose her love? You already have.
A good, if abstractedly imperfect, test of a woman’s love for you is to ask if she would she die for you. You can ask yourself this question, and if you’re honest you’ll know the answer.
Would she die for you?