Definitions by Dr May

unophobia 

The fear of being single. Unophobia describes people of any age or period of life who need to have somebody they call their boyfriend, girlfriend or partner. This is not the same as a fear of not getting married (anuptaphobia)

Alex is suffering from unophobia and needs to get into another relationship as soon as the last one ends.

unophobia by Dr May September 6, 2014