How can we be sure that we really love someone?

a.We know from experience that it is difficult to be sure.

b.It is not easy, in every case, to be sure of myself or my feelings and to have to depend on tangible proofs or signs.

c.Love is not like an idea with a definition or like a physical phenomen on that can be measured

d.Love is its own measure and standard.

e Find a good moment to speak together and find out the feelings and attitudes of the other.