Is this normal for a man of his age?

A 26-year-old friend of mine. He drinks alcohol almost every afternoon after work. He parties and gets drunk almost every weekend. His life is now about drinking and chatting to women on messenger and, if he can, having sex. He has casual relationships and tries to get all the beautiful women at once. He is not looking for a long-term relationship. I was afraid that he would burn out quickly.

Is this normal for a man of his age?
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