The old story about free milk and the cow will always be true for young men.
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You're trying to work your way out of something now. There's only one set of standards, yours. When people talk about double standards what they're telling me is that their behavior should be limited by the availability of partners.
As far as men's behavior, being an old bastard I can remember when the term playboy didn't refer to a magazine with a cute rabbit on the front of it somewhere. When a man of stature in the community called you a playboy it was a serious shot across your bow telling you if you didn't wise up you would be prohibited from association with men of caliber in the community and to stay away from his daughter.
I'm at the point of life where I'm apt to tell a woman that if she's been screwing idiots she shouldn't be surprised when more of the type what she's screwing get in line for a sot of the same thing. Guys who are worth a damn are not going to wait at the back of the line for what's left.
Sex is serious business, a lot more serious than people have been treat it for the last nearly 40 years. It produces some personality changes in women that men of any seriousness can sense and don't like.
When I was in high school, some of my friends slept around and I considered them to be pretty dumb.
By the time I got to college, I realized that promiscuity isn't just dumb, it is evil. I didn't have any more friends who openly slept around because I couldn't stand them. I am sure some did, but none of us considered it something to brag about.
So not all men have a double standard.