the period of time during which someone lives or something exists
Lifetime
relating to the most important characteristics or ideas of something
essentially
to make someone think of something they have forgotten or might have forgotten
remind
useful, important, or good enough to be a suitable reward for the money or time spent or the effort made
worthwhile
relating or belonging to a single or particular person rather than to a group or an organization
personal
a state where things are of equal weight or force
balance
