Because I changed from a Kama to quarterstaff when I found I didn't have enough weapon slots.

Move to J14 and ready an action. (Hands empty)
Readied action
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If he approaches within ten feet, five foot step and begin a grapple.


Stats
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Ford Prefect
M LN Human Monk, Level 1, Init -3, HP 8/8, Speed 40
AC 15, Touch 15, Flat-footed 12, Fort +3, Ref +2, Will +4, Base Attack Bonus 0
FoB +0/+0 Unarmed Strike (-) +2 (1d6+2, x2)
Sling (20 bullets) +3 (1d4+2, x2)
FoB +1/+1 Shuriken (10) +3 (1d2+2, x2)
(+3 Dex, +2 Misc)
Abilities Str 14, Dex 16, Con 12, Int 14, Wis 14, Cha 8
Condition None


Done