Because a sonnet is a love poem as such, therefore they speak this way to convey a sense of passion and also lust, it is effective as it is a love poem as i mentioned, therefore it is self explanatory
Your going to late for something (school,work etc.) And you have to hurry to get there in a restricted amount of time or you die
This excerpt could be considered humorous because of the way in which the events are retell and because of the choice of words. their arrival is portrayed in such a way that the reader might think, it could have a deeper meaning. For example
"<span>It regarded us a while without curiosity but with caution, and after we were seen to be harmless" This might be understood as a fun way of expressing that people were all over them, to check who they were, they pay close attention to these "new people" until they were convinced they are fine. </span>