I have a problem with my girlfriend when we have...

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Thank you for your question.
our dear customer

What are the causes of premature ejaculation?

Stress
Depression
Guilt
Relationship problems
Erectile dysfunction
Sexual abuse
Poor body image
Anxiety
Abnormal hormonal level

What is the treatment of premature ejaculation?

Behavioral techniques such masturbation one or two hours before sexual intercourse
Pelvic muscle floor exercise
Use condoms
Topical analgesics
Such lidocaine gel
Oral medication as anti-depression
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khaled jaber

Dear customer 
Methods to increase the power of Erection of the penis :

• Avoid anxiety and stress .
• Sleep well every night , from 6-8 hours .
• Eat well balanced and healthy diet that contains vitamins and proteins .
• Exercise your body regularly to increase the power of erection of the penis .
• Eat multivitamins every morning such as Vitamax caps .
• Eat honey every morning .
• Eat Fish and meat regularly .
• Take medications such as Viagra or erec tab before intercourse .

Stay well 

you can use pregnacare cream or use of bepanthine ointment 3 times daily