Loneliness and envy needn't pain us. We can learn to listen to these feelings as messages from the soul that let us know what it most desires. You may need to give yourself full permission to not celebrate a holiday. This is equally important. The soul is also cared for when we give ourselves permission to retreat from the societal and commercial frenzy.
Groups get crazy, as a rule.
Airline reservations can be cancelled and rescheduled. Set limits that keep you safe and sane. Things may never be as you'd like them to be in your family. Experiment with enjoying them for who they really are. Allow yourself to be appreciated for who you really are.