Having many children

Q: In Islam, it is recommended to have many kids and offspring, but, the increase in population is also a sign of the coming of the day of judgement, so does this not contradict? A good command which represents the coming of bad days?

E-codes

Q: Many companies are said to be mixing haram items in their products and many codes like E codes are said to be haram. What should be done with these news? Are they haram or halal or mushtabah?

Woman phoning a man and asking him to marry her

Q:  A woman proposed to me to mary her directly on the phone as she used to dream that we are getting married and requested me if I would not marry her she will remain unmarried and  her feeble and crying voice made me to think of her and it is first time in my life that I talked with a
na mehram girl. I know her she is mashallah a very pious woman and due to fear of any mischief I changed my mobile number but my family will not accept it and I am suffering from tension and sleepless night. Now what should I do?