This normally happens in the facial area. Very often a blood vessel that has burst is easily visible, as the blood vessel is situated under a transparent layer of skin. These blood vessels can either be bright red or dark in appearance. The burst blood vessels can cause pain, if they come in contact with anything.
A couplet is a pair of lines of metre in poetry. Couplets usually comprise two lines that rhyme and have the same metre. A couplet may be formal (closed) or run-on (open). In a formal (or closed) couplet, each of the two lines is end-stopped, implying that there is a grammatical pause at the end of a line of verse.
There are also several forms of poetry that include couplets as an important part of the overall structure: 1  Sonnet: The English sonnet form, also known as Elizabethan or Shakespearean, is a fourteen-line poem that concludes with a final couplet.