There are various answers to this, for instance:
Social Media brought positive changes could list reasons like:
- More online friends
- Better communication
- Knowledge of trends and news
- Expressing yourself better
Negative changes could be:
- Addiction to Social Media
- Cyber-bullying
- Lowered self esteem
Hope this helps!
Life goes on even if you are rejected by your boyfriend or girlfriend. He is trying to say that there is more to life than your relationships with people.
This is a metaphor because it doesn’t use the words like or as