This was a collaboration in 1968 by The Supremes and The Temptations. Hence, it is the supreme temptation song.
The temptation part is easy because wishing is.
The supreme part is tricky. Once you have your wish, still it can be a roller coaster of extreme happiness or sadness. As Paul Anka once wrote, “The sad part of seeing you is goodbye.” The obverse should be obvious. The happy part of seeing someone is a res ipsa thing.