Yes, very much so.
A little bit, yeah.
Sometimes, depends on my mood.
I don't know.
Very much so, My Girlfriend tickle attacks me all the time and I always roll around like a helpless seal nearly in tears of laughter xD
Not too much, the skin thickened too much over the years.
I still get goosebumps when ants or bugs crawl over my legs, which helps to shake them off without hurting them.