Men can be fertile well into their 70's.
NO it isn't. he has parental consent
yes, and also it almost impossible that he will be her father
It is legal to date a 21 year old man if you are a 17 year old girl. It is not legal to engage in certain activities with a 21 year old man as he could be prosecuted.
It could be considered to be old, but not very old.
'Ojii san', 'jiji' and 'oyaji' all could mean both 'an elderly man' and 'grandfather, gramps' with the exception of 'oyaji' which means 'father, old man'.
No you have to wait till your 18
Yes, but it could cause problems.
If the 19 year old young man in Illinois is the father of your baby and since you are 16 he has broken the law and your parents could charge him with 'Statutory Rape' because you are under the age of 18 and thus a minor. However, with parental consent the two of you could marry.
As long as there is no sexual content. If there is, the man could be in violation of Federal laws.
no
Yes. Everyone grows in a different way, so there should be no concern if a man is shorter than his father.
There are a range of salaries that a 30 year old man could make. This depends on the job he has.