I guess your profiled choice of employment, which is 'Doctor', doesn't stretch (pardon the pun) to female apertures and associated gynaecological matters, nor cover human anatomy, size of reproductive organs and genitalia and the psychological problems associated with the sexual act, size of organs etc.

Are you a Veterinary? :D

Oh .. and isn't the G spot in a man up his bottom somewhere?

*thinks* Bit early for all this, haven't finished my first cuppa yet!