Synthesist + Bear's Endurance clarification

[Scrynor]

I thought I got this until I saw the following in the FAQ:

"Summoner: If a synthesist (page 80) takes the swallow whole evolution, does he use his own hp or the eidolon's temporary hp to determine the hp of the "stomach"?

Use the summoner's hp to determine this. Obviously the summoner isn't actually swallowing the target, so it's merely contained within the eidolon-suit, but the hp of the "stomach" is based on actual hp, not temporary hp, so it's simpler to use the summoner's hp rather than create a specific exception to have this based on the eidolon-suit's temporary hp. Fortunately, this means effects that boost a summoner's hp (such as bear's endurance) increase the hp of the "stomach."
"

What are the implications of this? I can't choose who to target with Bear's Endurance while we are merged since we are one thing right? And I'm using his con score. So why does it boost my con giving me real hit points instead of the eidelon's con giving it/me temp hp?

What happens if I multi to barbarian and rage while eidelon fused? Does the rage + to str and con go to my str/con or to the eidelon's which is replacing my scores?

(Side question if anyone knows - The orc variant that lets you take rage powers, what level barb are you for that? your summoner level?)

[Artanthos]

There is only one target. The synthesist. He receives full benefit of the bear's endurance/rage. This includes calculations for both hp and temp hp.

In all cases, the eidolon's physical stats replace those of the sythesist while fused. Those stats are then modified by any effects and magic items.

And exmple would be a sythesist with a 14 Con. He drinks a potion of bears endurance, raising his con to 18.

The then fuses with his eidolon, which has a Con of 13. Bear's endurance is still in affect, so the sythesist has a Con of 17.

[Scrynor]

I'm still not sure I follow. Are you saying the +2 hp / hd applies to both the hp of the caster and the temp hp of the eidelon?

[Skylancer4]

Poor synths, always getting more convoluted the more FAQs are put out about them.

Maybe we should flood the boards with synth threads again and hope Paizo gives them some more consideration the way the monk fanbois did (/sarcasm).

[Artanthos]

Scrynor wrote:

I'm still not sure I follow. Are you saying the +2 hp / hd applies to both the hp of the caster and the temp hp of the eidelon?

That is correct.

[Scrynor]

Thanks.

And yeah, this Synth thing is confusing as all get out.