Similar to every human being whom desincarnates, this person will return to the spiritual world and, according to the extent of his knowledge about the spiritual world and her(him) moral evolution, will recover conciousness faster or slower to continue her(him) evolution in the spiritual world. The friendship and love will last after the death of the physicial body.

160. Does the spirit find himself at once in company with those whom he knew upon the earth, and who died before him?

"Yes; and more or less promptly according to the degree of his affection for them and of theirs for him. They often come to meet him on his return to the spirit-world, and help to free him from the bonds of matter. Others whom he formerly knew, but whom he had lost sight of during his sojourn on the earth, also come to meet him. He sees those who are in erraticity, and he goes to visit those who are still incarnated."

(Source: The Spirit’s Book, Chapter III – Return From The Corporeal To The Spirit Life)