Painfully Obvious (OPXBB)

Optimus feels weird and it has something to do with Bumblebee. BB loves his leader, but said leader decided to ignore him (for BB's well being of course), hurting the scout, who runs away. Megatron, who's been fairly interested in BB, discovers him and convinces him to come with him to his base. He wants to keep BB for himself. Meanwhile, somebody else has his optics on BB too...