First let me join the choir that is offended by IB...
As a "single" the implication that my life is worthless speaks more of IB than anything, IMHO. Even the life of someone who is completely alone without any contact with other humans is NOT worthless, to even suggest this, is to me more a measure of the speaker than any who might feel included in this statement (and by definition, to my mind, it doesen´t fit anyone on SB).
Now to solodiving...someone a while back asked for reasons that a buddy would be a good idea...
* I have shared air with a buddy during a dive (not because we had to but because it was the best/most practical solution at the time). Needless to say that wouldn´t have been possible without a buddy and I´d have had to surface in a less appropriate place (the argument could well be made that diving solo I´d have done things/used gear differently but that doesen´t change that my buddy gave me more options in that particular situation).
* Two pairs of eyes see more than one. This is one of the reasons that I don´t see checking on your buddy regularly as a chore (apart from all the social and safety reasons).
* Economics. All overhead is divided by two. Enough said. (ok, this isn´t about safety or risks but still applicable)
And for me, a short time (10 months) in Swedens conscriptive army instilled in me, the habit of doing things in pairs.
As for reasons for/against solodiving...
Obviously the statistics aren´t saying anything either way...
The number of equipment failiures (all things being equal) just mean that buddy pairs will have twice as many but only half as serious (conditioned on it being a "true" buddy pair i.e. that both the will and ability to help each other is present).
Psychological failiures in one diver may cause an entire buddy pair to be lost but may also be aleviated by the other buddy thus ensuring that no incident takes place...
Oh, one other thing before I close...I NEVER dive without a snorcle how anyone could is beyond me...if for no other reason that the red/orange dayglow thingie helps others to spot you in low viz...
Feel free to discuss/debate above (as post #193 you weren´t really expecting anything radically new were you?) or even to nitpick if that is your fancy...
Let´s at leas make it to 200 :lol3:
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