2 to 5 inch of the penis size is normal. The average size of penis is 3-5 inch while erect and 1-3 inch while flaccid. Penis size does not make things different during sex as only one third of the female vagina is sensitive. So, even 3 inch of penis in erect state provides equal pleasure to both partners.In regard to penis size your fear
of small penis is baseless and you can get this idea out of your mind now.
Stay active daily exercise.
Kick bad habits to increase sex power
Eat these fruits and vegetables
Garbanzo Beans. Eggs.
Dark Meat Chicken.
There are many usefull medicine in Ayurveda
to solve your problems. You may talk to me privately on Lybrate.