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.
Rhyming Couplets are used in poetry to help the poem become interesting. It is used to produce a form of rhyme throughout the whole poem either just on two lines or all the way through. Why don't you try writing poem using rhyming couplets and enter it into one of our poetry competitions.