sometimes i go numb during sex
Apply xylocaine elly 2% in your vigina with finger before 15 min having sex and then have a pain free sex.
First get checked by the gyn, it could be anatomical. Secondly both you and your partner should see a sex therapist - it may be technique etc. Trying to use creams and topicals right off the bat is not a good idea - as you will develop the habit and require this all the time.