My friend wants me to figure out what 5 things are to keep a relationship going and they start with L,C,S,M,S?

i need someone help with this

My friend wants me to figure out what 5 things are to keep a relationship going and they start with L,C,S,M,S?
I have no idea but ill take a guess.





Love


Commitment


Security


Money


Sex
Reply:love, communication, sex, money, self-esteem ?
Reply:I'd say the C = communication
Reply:Love


Communication


Sharing


Thats all I got
Reply:Loving


Caring


Sincere


Modest


Sexy