Gabe spends most of his day rattling the cage bars between him and Luke, rumblestrutting and just acting agitated. So, I think a neuter may help him settle a bit. At least I hope so.
You would have the benefit that if in the future, a sow needed a companion, he would be suitable. Let us know what kind of procedure he does, and good luck!!
How many ways are there to do a neuter? I am not sure what you mean.