you deserve love. your crush does not owe you a date.
you deserve success. your coworkers do not owe you extra hours.
you deserve emotional support. your friends do not owe you free therapy.
what ‘you deserve this’ means is that it’s ok to want it and hope for it and try to achieve it, not that you have the authority to demand that a person provide it. it’s good to ask for it, but you have to be willing to take no for an answer.
You deserve it is more permission to accept it when it comes than it is a mandate.
You deserve it is justification for getting the thing, not a reason to take it without asking.
It’s a reason to take a chance, not a reason to take something that isn’t yours.