Finding a positive

Ive a friend who has been diagnosed with stage 4 Anal which is in the liver too... 

How do you try to stay positive? Give positive support? 

Waiting for a plan to start their fight. 

I just want to go and be there but even talking on the phone is too much for them atm. Im 2 hours away.  I know it's not about me, can some one help me calm my heart!  How do I support from a distance and be positive what I read is everything but

Close friends  have lost 2 children, 1 adult in the last 18 mths .