Zero to Seven

0: is the atomic number of the theoretical element Tetraneutron.
1: smile across the room started the relationship, causing the jealousy, resulting in the murder.
2: Simon & Garfunkel. What a pair. Here's to you Mrs Robinson etc.
3: how socks cluster. It's annoying.
4: minute mile. Good for Bannister, but more important for the rest of us: our limits can be imagined.
5: fingers. An amazing tool.
6: reasons to hug: love, friendship, healing, encouragement, fun and hope.
7: colours in the spectrum. Richard Of York Gave Battle In Vain. (Tip of Hat: Isaac Newton)