Gordon give us a clue...

[Mr C]

Sense and Sensibility?

[Byron Virgo]

King Kong?

[Trough]

Far From The Madding Crowd?

[Dudley]

Driving Miss Daisy
Forever Young
Debbie Does Dallas

[LARF]

Return of the Jedi?

[Carlsborg Expert]

Romancing the Stone?

[Oddboy]

Larf - CORRECT!

"..not the would be younger suitor" - which is just as well once you find out they're siblings!

[nxylas]

Would have been funnier if they'd found out after they'd done the wild thing, though.