Why cant they connect to me or me connect to them even if I have an open NAT

Me and my friend need fun thigs to do where to go please tell the gamemode and what to do thanks

thank you all for helping :D i was about to go and thought i would check this first but thanks :D

Is there an estimate through for the price

I want to sell my wii i got the original packageing and its in perfect condition plus 7 games

Games:

1. Medal of Honor Heros 2

2. Lara Croft Tomb Raider Anniversary

3. Call of Duty 3

4. Warioware Smooth Moves

5.The Legend of Zelda Twilight Princess

6. Super Smash Bros. Brawl

7. Guitar Hero 3 with controller

What could i get for these and should i sell games separate

Thanks

counter strike source dont have to pay monthly and you can add me on steam its: me8722 and ill be glad to play with you then get tf2

Is there a release date for this game?