Men using facial exercises to enhance their features

Q: Is it permissible for a man to: 

1. Use facial exercises to either make his lips slimmer or bigger, or to improve their eye shape? This only trains or untrains the muscles of the face and doesn't necessarily permanently change the structure of the face. 

2. Use chin tucks to increase his jawline visibility? Chin tuck is an exercise by help of which fixes their neck posture. Effectively leading to jawline visibility. 

3. Reduce fat using lifestyle changes to get slimmer nose, or increase fat using lifestyle changes to get bigger nose, and similarly to get sharper or softer facial features?

Buying in bulk due to fear rising from the Middle East conflict

Q: With the recent conflict in the Middle East, we are bound to be worried. Recently, the President of Brazil had called out to the the President of South Africa stating that we should be prepared and ready as our country is at a risk of getting invaded. 

Some Ulama have called out in the Western Cape saying that we should stock up and store goods. 

My question is, is it permissible to buy in bulk and store items?