16T: Tough Bubble Decision

[TruFloridaGator]

Simple ICM problem & I know I probably know his range best, but is there an easier way to determine whether to push or not actually in the game? I think this is one of the harder spots in SNGs. He is an awful player, capable of making wide calls, but was calling tight 5h and on the bubble thus far. He has seen me shove 3 awful hands though, lose 2 & suckout once. SNGPT says its breakeven if he is calling 18%. Should I side on the fact that he has seen me push crap or should I stay aggressive hope he realizes I can hurt his stack?

PokerStars Tournament, Big Blind is t400 with t25 antes (4 handed) Converter on pregopoker.com

CO (t2730)
Button (t2185)
Hero (t3070)
BB (t5515)

Preflop: Hero is in SB with 8[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/diamond.gif[/img]
<font color="gray">CO folds</font>, <font color="gray">Button folds</font>, Hero ?