telling her you love her
Not giving room for fight and introdals.
Showing respect for each other.
Loving each other the more day by day.
Using one heart with each other.
TrustFree heartValue he/her opinionDo things together.Going out togehterDo to he/she the way u want you want in return.Don't capital on he/her misstakes.Let he/she know is an agnel
Dealing with each other plainly without grudges.
Understanding each other.
magic words- THANKS, PLEASE and SORRY
I don't think there is such thing as secret code.
Trust in each other