saying "we are joined at the hip LIKE siamese twins" is a simile that describes how they are joined at the hip, but the idea of being joined at the hip is not literally true, so the whole thing is a METAPHOR
"it's a simile within a metaphor/for the feelings that i store"
saying "we are joined at the hip LIKE siamese twins" is a simile that describes how they are joined at the hip, but the idea of being joined at the hip is not literally true, so the whole thing is a METAPHOR
"it's a simile within a metaphor/for the feelings that i store"