Sentence 1: Chris had been stuck at home for ten years because of leg problems. 
 Sentence 3: He met a woman named Janet 
 Sentence 4:  They became friends and she flew to Australia to meet him 
 Sentence 5:  They are now married 
 Option 1: One  day he found a chat program on the internet. 
 Option 2: One day he found a chat program on the Internet, just for guys, and made many friends.