Tiger heard yang's viewpoint on their situation. And he felt a little guilty for his resolve against 3D, but at the same time he made his decision. If she came back, more then likely it would be to strike again and in that situation its too risky to just 'try and live'. 

He thought about this for a few more minutes and then an idea came to him. He turned to look at all three of them, "Why don't we build something and then we can sail away from this island?"