Initial Situation - Mark's Unusual Behavior

• Mark behaving like exceptionally mature 10-year-old
  • Claims to have graduated school as external student
  • Preparing to enter Cambridge
  • Studies quantum mechanics, physics of elementary particles, atomic structure
  • Speaks with adult vocabulary and mannerisms
• Housemates (Rivi, Glen/Klenin) confused by personality change
  • Mark normally energetic, athletic, disobedient child
  • Now obsessively organized, intellectual, rule-following
• Encyclopedia fell on Mark's head - suspected cause of change

Cleaning and Household Management

• Mark's socks scattered around house, demanding urgent cleanup
• Mark organizes everything by color and alphabetical order
  • Books arranged alphabetically by letter
  • Extremely neat and systematic
• Enforces strict rules about personal space and boundaries
  • Demands people knock before entering his room
  • Calls it "laboratory" and "private territory"

Meal Times and Dietary Restrictions

• Mark insists on eating "strictly on the clock" to avoid disrupting digestive regime
• Threatens to call guardianship authorities if not fed within 15 minutes
• Vegetarian - refuses meat due to humanistic views toward animals
• Claims animal husbandry detrimental to planet's climate
• Follows National Medical Association recommendation to chew food 20 times before swallowing

Technology and Gaming Interactions

• Mark upgrades/modifies PlayStation and other devices
• Cuts wires, performs "laboratory tests" on equipment
• Shows little interest in normal games
  • Plays briefly then claims bad for eyesight
  • Prefers board games but plays strategically
• Monopoly game: Mark bankrupt others through calculated business decisions
  • Charges $2,000 for hotel, $1,150 for street
  • Offers only $50 for $60 property, citing business logic

Sports and Physical Activities

• Rejects football as unscientific
• Attempts to apply mathematical formulas to ball trajectory
• Swimming: Tests breath-holding abilities in bathtub
  • Scares housemates by staying underwater too long
  • Claims testing if he's "good swimmer"

Pet Selection and Care

• Initially given cat named Einstein
• Panics about bacteria after cat licks him, demands ambulance
• Chooses snake as pet instead
  • Names it "Planck" after Max Planck, quantum physics founder
  • Justifies choice: no allergies, no street bacteria, silent, doesn't ruin furniture
  • Refuses terrarium, wants snake to roam freely
• Creates presentation titled "Why you should buy a processor for robot Mark 2.0"
  • Uses fairy tale format for better information absorption
  • Requests funding from "flying monkeys" (housemates)

Social Interactions and Friendship Attempts

• Professor August Eduardovich visits
  • Theoretical physicist, Master of Physical Sciences, twice PhD
  • Mark invited him to discuss physics and finalize developments
  • Chess game: Mark defeats professor easily
  • Argument over Mark's robot calculations
  • Professor leaves after Mark calls him "talentless"
• Girl named Katerina visits
  • Met in chat room for exact sciences courses
  • Mark is admin of the chat
  • Katerina accidentally mixes dangerous chemical reagents
  • Mark criticizes her lack of chemistry knowledge
  • Relationship fails due to Mark's condescending attitude

Robot Building Project

• Mark builds robot, needs processor to make it functional
• Creates detailed presentation requesting funding
• Housemates eventually agree to buy processor
• Robot successfully activated, responds with "Hello my name is awesome"

Boxing Lesson and Accident

• Glen teaches Mark boxing as bonding activity
• Mark applies physics concepts: "throw in some joules"
• Accidentally hits Glen hard during practice
• Glen knocked unconscious or dazed

Return to Normal

• After boxing accident, Mark's personality reverts
• Can't perform complex math (267 × 48) without phone calculator
• Doesn't remember recent events clearly
• Housemates relieved he's back to normal
• Mark still has jaw pain from incident
• Snake (Planck) still needs to be removed from house