Choice picks from the article:

Psychologists found that just a five minute talk with an attractive women raised the levels of testosterone by 14 per cent and the anti-stress hormone cortisol by 48 per cent. Spending the same time with men saw the hormones drop two per cent and seven per cent respectively.

Research into animals have long shown the same effect in animals which is known as the “mating response”. Testosterone is linked with the male libido, as well as health and wellbeing. It can also provide an energy boost.

Cortisol also boosts alertness and calms the nerves at the same time. Together they can produce the effect of feeling more alive, it is said. Testosterone levels peak in a man by his early twenties, and then gradually diminish. Men who are married or in long-term relationships have lower testosterone levels than those still playing the field.
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Read the entire article here:
Meeting pretty women makes men feel good - Telegraph

I must have missed this thread!
Approach it's good for you!

cool . now I understand why my level of testosteron is high in age of 33 .