There is a special bond you have with your siblings. At least I know the bond I have with mine is special. I have two younger sisters and one younger brother. We show our love for each other in special, unique ways. I think my boyfriend is being accepted by my family, since they are also showing their love of him in those same special, unique ways.
In my family, one way we share our love is through late night phone calls. I know my brother, a sophomore in college, loves me because he calls me while he is drunk. And calls my boyfriend while he is drunk.
And now Jake can know I love him because I recorded those messages and am sharing them. As an example of a truly loving sibling relationship, of course.