1. To be continued....
2. [1] older brother is often used as a term to address to a boy (Not necessarily related) who is older than oneself.
3. [2] the saying "Eggs must not be placed in the same basket" means that one should not put all their resources or efforts into one thing or place. It is generally used to advise people to diversify their investments or efforts so that if one fails, they don't lose everything. The phrase suggests that someone has physically put all the eggs they have in one basket and is then at risk of dropping the basket, losing everything they worked hard for. )
4. :)