Am I suffering from Erectile Dysfunction (ED)?

My name is Steve Smith. I am 24 years old. I masturbate thrice weekly. When I masturbate the first time, I feel comfortable and satisfied but the problem here is when I go for 2nd time after 08-09 minutes. I am not getting the firmness, which I used to get in the 1st time.

I am ejaculating comfortably. So my question is: Am I suffering from Erectile Dysfunction?

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