Because if they call before 5 or 6, most people will still be at work. After this time is supper time (and people eat at different times) until it becomes too late to call. Calling you during supper gives them the highest chance of you being home. (although no one is forcing you to answer the phone just because it rings...)
Usually you would call that person a pessimist or someone who may just be miserable and down in the dumps temporarily.
You could refer to them as persuasive or influential.
Someone who constantly thinks and reflects on various topics can be described as contemplative or introspective.
If someone is from Beirut you call him or her Lebanese, since Beirut is the capital of Lebanon.Actually the proper response to his query would be this:You call someone from Beirut a 'Beiruti', the same way you may call someone from New York a New Yorker etc......
If someone tries to make you feel jealous.You must call that person a despo or a looser and a jerky person.
a stalker
Not always, no.
A loser
Sociable
Tom Buchanan receives a phone call from his mistress, Myrtle Wilson, during the dinner party. He steps out to take the call, causing tension and revealing his infidelity to the other guests.
You call them a snotty jerk. They are also selfish!
An Electrician
germaphobe.
A Jonathan Stimson
a spouse
A nudist.
An Electrician