Не получается разобраться с конструктором копирования

#ifndef PEOPLE_H
#define PEOPLE_H
#include <string>
 
using namespace std;
class people
{
    public:
        people();
        virtual ~people();
        people(string name, int year, string gender);
        people* SetName(string);
        int SetYear(int);
        string SetGender(string);
        string GetName();
        int getYear();
        string GetGender();
        people(const people &ob);// Copy constr.
    protected:
 
    private:
        string name;
        int year;
        string gender;
        friend void Show(people&);
        people *k;
};
 
#endif // PEOPLE_H

#include "people.h"
#include <string>
#include <iostream>
using namespace std;
 
people::people()
{
 
}
 
people::~people()
{
    cout << " \nThis is destructor" << endl;
}
 
people::people(string name, int year, string gender)
{
    cout << " This is param.constructor" << endl;
    this->name = name;
    this->year = year;
    this->gender = gender;
    cout << "Name:  " << name << endl;
    cout << "Year:  " << year << endl;
    cout << "Gender:  " << gender << endl;
}
 
people::people(const people &ob)
{
    k = new people();
    k->SetName("Lilo");
    k->SetYear(80);
    k->SetGender("Woman");
    
    cout << "\nThis copy constructor" << endl;
    cout << "Name:  " << name << endl;
    cout << "Year:  " << year << endl;
    cout << "Gender:  " << gender << endl;
}
 
people* people::SetName(string name)
{
    this->name = name;
}
 
int people::SetYear(int year)
{
    this->year = year;
}
 
string people::SetGender(string gender)
{
    this->gender = gender;
}
 
string people::GetName()
{
    return name;
}
 
int people::getYear()
{
    return year;
}
 
string people::GetGender()
{
    return gender;
}
 
 
void Show(people& obj)
{
    cout << "\nName  "  << obj.name << '\t' << "Year  " << obj.year << '\t' << "Gender  " << obj.gender << endl;
}

#include <iostream>
#include <string>
#include "people.h"
using namespace std;
 
int main()
{
    people ob("Alena", 18, "Woman");
 
    people b(ob);
 
     cout << endl;
    cout << " friend function " << endl;
    Show(ob);
    return 0;
}