This is but obvious. I think you must be trying for pregnancy. So during ovulation days you are not been able to perform upto the mark. Right?? Because you are going into performance anxiety.
Next Steps
This is sometimes frustrating. relax and enjoy the phenomenon instead of making it a task. In Ayurveda herbs are available that gives relaxing effects without any addiction and boost performance. we are making some herbal shakes which can be taken as diet and boost the stamina.
Health Tips
you shouldn't not any medicine without consulting. it may have long term side effects and you may become addicted.