Feeling of losing one's love [closed]

Solution 1:

Google Dictionary: love·lorn /ˈləvˌlôrn/ Adjective: Unhappy because of unrequited love.

From love + lorn (obsolete) lost, doomed (archaic) abandoned, lonely, forlorn

Solution 2:

You have a broken heart.

Solution 3:

OP might be feeling bereft - (of a person) Lonely and abandoned.