Free Syrian Army Protests in Homs

The video tutorial begins with an attempt to try something, followed by a reconsideration of the decision.

What do you think the phrase 'Let's try it' implies about the speaker's attitude?

How does the addition of 'Not really' change the meaning of the initial statement?

In what contexts might someone say 'Let's try it. Not really.'?

What emotions or feelings could be inferred from the statement provided?

Can you think of a situation where this statement would be appropriate? Describe it.