2001 FORD F150 SUPERCREW LARIAT.. how much longer will it last me.?

It has 128K miles... 4x4, i don't use it like a truck.. u know heavy work and all..

JUST DRIVING AROUND TOWN..

how much will it last me if i change my oil b4 its needed.

can YOU SAY ATLEAST 3 MORE YEARS?????
Update: v8 5.4 liter
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