I (38f) need flirting idea to approach my coworker (39m)?

So I decide to ask for a ride go and back from office to my coworker just to get closer to him on his motorbike.

We are from and living in Asian country with insane standard of morality, so I am really not sure what should I do during the ride. Like should I hold on to his jacket? Or maybe it is not appropriate and might disturb him - and I should just hold on to the backside of his motorbike?


And is it ok if I offer to buy him breakfast to show my gratitude because he already give me a ride? Or that will make me looks stupid?
I (38f) need flirting idea to approach my coworker (39m)?
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