go to http://www.gamefaqs.com/console/wii/qna/933022.html?qid=37368 that should help.
you have to see your child fully grown and Hamilton will come and tell you about the journey rucksack and you have to make it the way he tells you to then you have to give it to your child.
if you have the journey rucksack and you give it to your child I hear you can play as your child. when they are big enough and they will help around the farm when they are big enough.
Sort of you can play as them but they don't take the left over money you had. Also you get to give them a parting gift (something from you rucksack).
The game can be played for forever, if you want to, but if you want to move on (after completing the storyline and getting married) then you can give the rucksack to your child and then continue on as them. :3
you collect all the ingredients then make sure you have everything in your rucksack. you then go to the tree that has the correct sprite and water the flower. he will sing a song and make the rainbow
Ship a lot of herbs and Martha will move into Alex's but it will still work if you don't . Befriend Martha to 3-4 hearts and she will ask you for yarn. When you give it to her she will knit you the largest rucksack.
Here is a Harvest Moon Tree of tranquility recipe. Eggs and rice, combine chicken eggs with rice that is grown in the fall. This recipe will give you extra money.
You have to give that person something everyday.
I think 2 or 3.
After the baby is born, you will have a cutscene. The islanders give you the crib as a present.
About 3-4 weeks give of take a day
To give gifts to people, you have to find out what they like or love first and then get that present (whatever it is) and just take it out of your rucksack and talk to them and they will accept it.