As long as Merlin had it, he surely couldn't lack it.
Merlin was his ladder to climb upwards, as well as his greatest weapon.
He could only ever live under his control, forever in his shadow.
Jose knew how furious Milo would be upon finding out that Merlin was already with her.
Merlin hadn't acted according to his wishes, and with Milo's personality, he would surely seek double the retribution.
If Jose refused his proposal...
He would definitely do all sorts of shocking things.
Jose felt both heartbroken and desperate.
And what made her feel most helpless was that she dared not tell these things to her mommy and daddy.
She couldn't even tell Jose...
Because once someone else found out about this matter, the conflict would only intensify.
Either... it was a compromise.
If the outcome would be either a total devastation or a compromise in the end, then why bother telling everyone and burdening them with worries.