well nathanael tends to get cold REALLY easily and goes bluish but whenever he does get some color like that I notice he's usually chilled. He'll be chilled in a room we're all comfortable in..since his skin is so extremely pale and so forth I figure he doesn't hold on to the heat like us?? I don't know.
I hope for your sake it resolves itself and isn't anything more serious.
sending extra hugs..
Kitty ~n~ Nathanael
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"This is the day that the Lord hath made..let us rejoice and be glad in it" Psalm 118:24
John 1:47 Jesus saw Nathanael coming to him, and saith of him, Behold an Israelite indeed, in whom is no guile!