Good question. How would you do Anything that is "against the norm"? Sometimes those closest to you are helpful and understanding..sometimes not-so-much. I would try to explain it to them patiently,...
Pardon me if my worldview is too narrow but I've never seen an overweight vegan!
A lot of lipsticks contain animal fat. Some lipsticks contain beeswax, carmine and fish scales.
Vegans would not intentionally kill any animals, including ants.
Yes. Some vegans do eat non-organic food. The main concern of vegans is that they do not eat any animal by-products, such as meat, eggs, dairy, etc.