All you do is keep saying no to the MM, and take as perfect care as you can, never letting the hearts drop below one or 2 empty. Also, if you plan on trying to get and oldie, always buy the honey buns from the shop. That's thier favorite food.
my v2 only lived untill it was 18 . it had a matchmaker when it wasabout 11 and it got a baby boy but then when it was 18 they both died so i had to reset it
the oldest i got mine to live was 26 that one was a v1 girl named Sammy it would have lived a lot longer if i had remebered to bring it with me when i was at a fair the next morning i woke up and it was dead waaaaaaaaa criesssss waaaaaaaaaaaaaaa