Yet.. they say a man's worth is "not" the value they put in the bank account.
2) What's deadly about this space is that surveys can be toxic.
Too often, it's researchers looking to slowly understand things, have people open themselves up, then leave them like that, for little to no progress in 5-10 years.
That kind of system needs supply, no?
3) I have heard from some men that sometimes there can be things that only other men understand. That can be similar to women's health issues can be understood differently, or men can feel more comfortable with other men.
4) It's important for authors to try and be aware of their own unconscious biases. Much like medicine is horribly behind at understanding women's health (for example, women hearts are not the same as men's), it means the inverse can be true too, beginning with asking men.