big balls

Good morning guys, I want to raise a dog to love and give a lot of pleasure, but I don't know which one to choose, I'm unsure of 4 breeds, help me choose by quoting what you know about each breed, knot, dick thickness, balls, amount of semen and etc.. 1 Rothwailler 2 German shepard 3 Labrador...

Hello all! 24 bi male from south central Pennsylvania here! I have zero experience, but a fantasy of mine for a while has been to try a mare! If you or someone you may know could help me out, don't be afraid to contact me here!