Related Clues:
- Inclined to avoid the spotlight
- Clark Kent-like
- Easily scared
- Averse to first moves
- Short at the poker table
- Like Piglet
- Wallflower-ish
- Slow to mix, say
- Not likely to make the first move
- Reluctant to meet people, say
- Start suddenly
- 'Once bitten, twice ___'
- Far from fearless
- Reluctant to mix
- Hesitant to ask that pretty girl to dance, say