social facilitation
An example of a hand prop is the blanket Linus from Charlie Brown always carries around. He always has it and it's always in his hand.
When you practice tumbling you should always have a coach around to spot. To practice you need mats, and tumble track or trampoline, and a certified AACCA coach or spotter.
Do you mean an STD as a sexual infection? If so, it didn't "come into practice" it has always been around and spread ( still is spreading) with unprotected sex.
This means that some person is always tending whatever it is . For example, a switchboard that is manned around the clock would always have an operator present.
he was always shy around girls and people and it said in the book that he was always shy
Her egocentric behavior always made it seem like the world revolved around her.
A pentagon is a geometric shape with five sides. The pentagon is a building in the United States dealing with the military of the country. I do not think there is a "magic pentagon". However, the pentagram (usually depicted as a star with a circle around it) is a common pagan symbol. These days it is associated with (but not exclusive to) those who practice Witchcraft. The practice of Witchcraft does not always include the practice of magic, nor the other way around.
the one that treat her the best, makes her feel good about herself, and would want to be around her no matter what.. & really shows that he likes her by flirting
Sentience is the awareness of what is happening. Sentient animals are the best example as they are always aware of predators and what is happening around them.
There is no most challenging skill in gymnastics. In gymnastics, you can always do a harder skill. For example, you could always twist more times around or flip more times.
Air is not literally everywhere around us; it is not under the ocean or in outer space, for example. But in our normal lives, we are always surrounded by air. For most purposes, it is everywhere around us.