No, it usually isn't acceptable for anyone to be vain at all. While looking good and taking pride and confidence in that fact is good for you, being vain is taking it too far; you should have more important things to worry about.
same way that you did
Yes, using a gerund to begin a sentence is acceptable and can add variety to your writing. Just make sure the gerund phrase is properly structured and fits the context of the sentence.
depends :L if you are in a meeting then definitely NO but otherwise its perfectly acceptable as long as you don't overuse it.
Yes, it is perfectly acceptable English.
Yes, it is perfectly acceptable English.
That is perfectly acceptable.
Yes this is perfectly acceptable.
In the UK it's perfectly acceptable.
Craft is a perfectly acceptable word
Yeah... actually not only women are vain. Sometimes it happen men are more vain on how they look rather than a women.
'Welcome' is perfectly acceptable.
Absolutely, ending a persuasive text with a rhetorical question can be an effective way to leave a lasting impact on the reader. It prompts them to reflect on the main argument and encourages them to take action or consider a different perspective.