Your never too old
The edges, the circumference, the border, the limits, the frame, the margins, the fringes, the extremities, the periphery, the perimeter...
Finite
The act of restricting, or state of being restricted; confinement within limits or bounds., That which restricts; limitation; restraint; as, restrictions on trade.
It depends on where you are located.
There are generally no limits to having a best guy friend. If he is truly your friend it will be just like having a best girl friend. He might not want to get a makeover with you though.
Limits give upper and lower bounds for integration. One simple example is in finding an enclosed area. The upper and lower limits form vertical lines which enclose an area between the function and the x-axis and then integration from the lower limit (smaller x boundary) to the upper limit (larger x boundary).
bounds
Phyllis Bounds Detiege's birth name is Phyllis Bounds.
The Bounds of Sense was created in 1966.
Party Out of Bounds was created in 1980.
Rules vary from state to state but in this case it is perfectly legal. So along as the players feet are in bounds. In highschool football its normally if one foot is in bounds and the other is not out of bounds and the player has control of the ball then its a catch