Really dont want to look like I am "hard-to-satisfy" or that I have too much "requirements"
Only suggesting every idea that was born in my head and I consider it useful (according to my experiences mostly
So I was wondering if there is possible to note the status of every (sent) message next to it, so the sender knows if the recipient haven't read it yet (because is on holiday), or the recipient has read it already, but probably doesnt give a fuck 
Thanks are not necessary but expected. ))