Rodimus will pass out from not getting enough fuel or chronic burn out.
He grew up on Nyon where fuel was scarce and hard to come by and if a bot did come by it it wasn’t a lot nor was it healthy or tasted good.
He has a problem with remembering to fuel or fueling enough and when he does fuel its not nearly enough since his fuel tank is permanently shrunk from how little he consumed growing up.
Speedsters go through lots of energy which means they need either a lot of recharge or a lot of fuel. Since Roddy can’t/doesn’t intake a lot of fuel he needs as much recharge as he can get.
Problem is he doesn’t become he has bad recharge fluxes and never feels comfortable enough to recharge.
Drift has Ratchet to help feel at ease for a full nights recharge or multiple smaller recharges and sure Rodimus will recharge with Drift when the mech asks or simply falls asleep on him or next to him but Rodimus doesn’t recharge much on his own which is taxing to his frame and health.
Which is why he passes out quite a bit.
He can usually time it so its on his berth or in his office.
But eventually it happens at random near Megatron and Magnus who are about to call Ratchet only to hear Rodimus’s engine giving a tired rumble and they realize he isn’t recharging the way his frame needs.
Of course they can’t have their captain not recharging properly, sooo, now the crew has to get used to Megatron or Magnus with Rodimus in their lap asleep.
Its completely professional to check on him every few kliks and to hold him the way they do. Its completely work appropriate to lift his chin with their index and thumb digit to tilt his head up to see how tired he is when they walk into a room.
And it’s completely for the benefit of the crew when the two have Rodimus sleep in their berth to make sure he doesn’t have too bad a recharge flux and can sleep through the night.
Its not at all inappropriate to gaze lovingly at your captain when you think its just yourself and partner alone with no one else watching you as you kiss his helm and rub his spoiler.
Its for recharge purposes.
Its for Rodimus’s health so he doesn’t pass out, that’s the only reason, obviously.