You may have several cars and you like all of them,
but you can only drive one at a time.
You may have more than one house and you like all of them,
but you can only stay in one at a time.
You may have many girls and you like all of them,
but you can only fuck one at a time.
You may have offers from a few different groups and you like all of them,
but you can only work for one at a time.