Had a fantastic weekend online playing $2 tournies two were rebuys.
First was 5th from 1141 when the big stack called everyone and my

gets pipped by his

Second was 3rd from 2200 in a super turbo again I was ahead all in and got pipped.
Then tonight 8th from 1300 but joined the final table chip leader, the hand in question was played how I would always play it here and i perhaps could have seen a flop - what do you think.
Blinds are 25k 50k small stack all in for 108k
2nd big stack min raises about 200k or so he has 900k behind
I have

so push all in for 1.6m looking to shake him off take his min raise and play the hand for virtually free, he calls with

I miss and left with about 400k which goes in again with AK next hand and he calls again with 66 and knocks me out.
Should I tighten up on the final table or continue playing my own way?