Why

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Xml;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Social_algorithim
{
    public partial class Form1 : Form
    {
        int Animal = 50;
        int Tech = 50;
        Random Rand = new Random();
        bool Liked;
        string CurrentPic = "Animal";
        int CurrentRand;
        Image Animal1Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Animals\Animal1.png");
        Image Animal2Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Animals\Animal2.png");
        Image Animal3Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Animals\Animal3.png");
        Image Animal4Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Animals\Animal4.png");
        Image Animal5Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Animals\Animal5.png");
        Image Tech1Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Tech\Tech1.png");
        Image Tech2Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Tech\Tech2.png");
        Image Tech3Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Tech\Tech3.png");
        Image Tech4Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Tech\Tech4.png");
        Image Tech5Pic = Image.FromFile(@"C:\Users\DotCD\Desktop\Algorithim\Tech\Tech5.png");
        public Form1()
        {
            InitializeComponent();
            pictureBox1.Image = Animal1Pic;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
        //next button
        private void button1_Click(object sender, EventArgs e)
        {
            if (Liked == true)
            {
                if (CurrentPic == "Animal")
                {
                    Animal = Animal + 5;
                    Tech = Tech - 5;
                    Liked = false;
                }
                if (CurrentPic == "Tech")
                {
                    Tech = Tech + 5;
                    Animal = Animal - 5;
                    Liked = false;

                }
            }

            if (Tech < Animal)

            {

                CurrentRand = Rand.Next(1, 100);



                if (CurrentRand > Tech)

                {

                    ShowAnimal();

                }


                if (CurrentRand < Tech)

                {

                    ShowTech();

                }

                else

                {

                    ShowAnimal();

                }

            }

            if (Tech > Animal)
            {

                CurrentRand = Rand.Next(1, 100);
                if (CurrentRand > Animal)
                {
                    ShowTech();
                }

                if (CurrentRand < Animal)
                {
                    ShowAnimal();
                }

                else
                {
                    ShowTech();
                }

            }

        }
        //like button
        private void button2_Click(object sender, EventArgs e)
        {
            Liked = true;
        }

        private void ShowAnimal()
        {
            CurrentPic = "Animal";
            CurrentRand = Rand.Next(1, 5);
            if(CurrentRand == 1)
            {
                pictureBox1.Image = Animal1Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if(CurrentRand == 2)
            {
                pictureBox1.Image = Animal2Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if(CurrentRand == 3)
            {
                pictureBox1.Image = Animal3Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if(CurrentRand == 4)
            {
                pictureBox1.Image = Animal4Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if(CurrentRand == 5)
            {
                pictureBox1.Image = Animal5Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
        }
        private void ShowTech()
        {
            CurrentPic = "Tech";
            CurrentRand = Rand.Next(1, 5);
            if (CurrentRand == 1)
            {
                pictureBox1.Image = Tech1Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if (CurrentRand == 2)
            {
                pictureBox1.Image = Tech2Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if (CurrentRand == 3)
            {
                pictureBox1.Image = Tech3Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if (CurrentRand == 4)
            {
                pictureBox1.Image = Tech4Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
            if (CurrentRand == 5)
            {
                pictureBox1.Image = Tech5Pic;
                textBox1.Text = pictureBox1.Image.ToString();
            }
        }
    }
}