Satisfying your girlfriend sexually involves understanding her desires, boundaries, and needs, and being willing to communicate openly and honestly with her. Here are some tips to help you better satisfy your girlfriend sexually:

1. Take the time to learn about her body and her sexual responses. This means paying attention to her cues and responses during sex, and asking her what she likes and dislikes.

2. Communicate openly and honestly with her about your own desires and boundaries. This means discussing what you both like and don't like, and being willing to listen to each other's needs and wants.

3. Experiment with different positions, sensations, and activities to find out what pleases her. This can involve using lubricants, sex toys, and other enhancements to increase pleasure and variety.

4. Be attentive and responsive to her needs and desires during sex. This means being present and engaged, and being willing to adjust your approach based on her feedback.

5. Be considerate and caring outside of the bedroom as well. This means showing her love and affection, and being supportive and understanding of her needs.

Overall, satisfying your girlfriend sexually involves being open, honest, and attentive to her needs and desires. By taking the time to learn about her body and her sexual responses, and by being willing to communicate and experiment, you can help to ensure that both of you are sexually satisfied.