Does SWIM have a big tolerance?

[Visine!]

So SWIM has ADHD and he just started taking Concerta again (after many years) back in December. Since then SWIM has been taking it pretty much every day for school cause he zones out without it.

Anyway recently SWIM decided he was bored and wanted a bit of a high, but he soon discovered that it took a lot to even feel anything. His concerta is 54mg and he can take like 3 (162mg) and barely feel anything! SWIM also has 10mg ritalin for weekend studies and for after the concerta wears off at the end of the day. Is it just SWIM, or does he have a large tolerance for this stuff? Is it a bad idea to take so many 54mg Concerta? Oh, and SWIM really doesnt like the idea of snorting his 10mg ritalin pills, he thinks it just seems... not... right... (but somehow taking lots of concerta to get high is??)

Also how long does it take for the tolerance to go away? is like 9 days long enough? cause SWIM MUST take it for school or he is stupid...