I can tell you responsibly that you are normal! Normally, you have to defecate three times a day, and everyone has to eat three meals a day. Why can't you shit three times? Chen Jinzhu's health lecture said that you should defecate three times a day, so you can rest assured.
It is right to eat apples on an empty stomach. Fruit should be eaten before meals, but it is recommended to drink a glass of water before eating fruit after getting up.