glance vs should

To make an incidental or passing reflection; to allude; to hint; often with at. 

To look briefly (at something). 

To move quickly, appearing and disappearing rapidly; to be visible only for an instant at a time; to move interruptedly; to twinkle. 

A type of interaction between parent fish and offspring in which juveniles swim toward and rapidly touch the sides of the parent, in most cases feeding on parental mucus. Relatively few species glance, mainly some Cichlidae. 

To sparkle. 

To hit lightly with the head, make a deft header. 

To strike and fly off in an oblique direction; to dart aside. 

To graze at a surface. 

Used to impart a tentative, conjectural or polite nuance. 

Will be likely to (become or do something); indicates a degree of possibility or probability that the stated thing will happen or be true in the future. 

Indicates that something is expected to have happened or to be the case now. 

Used to express a conditional outcome. 

With verbs such as 'see' or 'hear', usually in the second person, used to point out something remarkable in either a good or bad way. 

To make a statement of what ought to be true, as opposed to reality. 

Used to express what the speaker would do in another person's situation, as a means of giving a suggestion or recommendation. 

Simple past tense of shall. 

In questions, asks what is correct, proper, desirable, etc. 

Used to issue an instruction (traditionally seen as carrying less force of authority than alternatives such as 'shall' or 'must'). 

Used to give advice or opinion that an action is, or would have been, beneficial or desirable. 

Used to form a variant of the present subjunctive, expressing a state or action that is hypothetical, potential, mandated, etc.