NEVER apologize for posting/taking/loving your selfies. You are beautiful and have every right to show it off.
I have never seen an animal so appalled before
fun fact: cats actually do this because they have a sensory organ on the roof of their mouth called the vomeronasal organ, which is why their sence of smell is much stronger than ours. when they open their mouth its because they are actually enjoying whatever scent it is that they just inhaled.