It can be managed (as in, men learn to not project, but instead be introspective and learn to process and improve), but the ultimate feeling will never go away
Men and women are not 100% the same biologically, so this will always affect dating and loneliness and life satisfaction.
As
@CarmelBarbie said, men feel less desirable, and it's because it's true. There's a reason why most incels are men - and it's because women get more attention and validation, or are capable of it. Yes, even women that aren't beautiful.
And again, for men, life is a game of winning and losing. Thats why men are more likely to be lonely and struggle.
I'm not saying men should be closed off emotionally, but a certain level of stoicism is required because being in your feelings too much ends up holding you back.
For instance:
Imagine a breadwinner mom breaking down and crying. It's okay, she can fall back into that feminine role.
Imagine a man who's a breadwinner, breaking down and crying under stress. He's getting clowned for being a failure, loser, bum, pathetic, bytch, (even his own wife would be disgusted or lose respect :pachaha), etc.
So there's a certain level of mental toughness you have to develop as a man - and developing that requires you to have to not rely on being nurtured by friends.
There's a reason why men are more likely to be called losers, failures, etc.