未处System.StackOverflowException 确保程序没有无限循环或无线递归
我想在form2点击一个按钮的时候form1显示form2隐藏，然后关闭form1的时候form2也同时关闭，而且窗体form1需要用到form2窗体中的client_Socket; server_Socket;，所以我在form1中声明了form2 的实例，可调试的时候出问题了

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Windows.Forms;

namespace howareyou
{
    public delegate void childcolose();
    public partial class Form2 : Form
    {
        public Socket server_Socket;
        public Socket client_Socket;
        private Form1 game_form = new Form1();
        public Form2()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            game_form.closefather += new childcolose(this.closing);
            this.Hide();
            game_form.Show();
            Thread lisetn = new Thread(new ThreadStart(ListenNow));                                //开启监听线程
            lisetn.IsBackground = true;                                                            //设置后台线程isbackground属性为true，确保主线程关闭时，后台线程同时关闭
            lisetn.Start();
        }
        void closing()
        {