speak one's mind freely

The secondary supersedes the primary.

The morning sun rises in the east.

be closely bound up

be all eagerness to see it

be overjoyed

One cannot keep one's mind on two things at the same time.(No man can do two things at once.)

be perfectly content

business with a small capital( do business in a small way)

metabolism

bits and pieces(dribs and drabs)

effective (in practice)(tried and true)

readily to take a hint

clever and deft(be quick-witted and nimble-fingered)

make a mountain out of a molehill(to exaggerate a difficulty; break a butterfly on a wheel; tempest in a teapot)

fantastic

shudder at the thought of

take improper measures

write without stopping to reflect

thunder-and-lightning