They normally mean a declaration of love, not love itself, though. Red tulips mean love and fame. Multi-colored tulips are supposed to represent people with beautiful eyes, and therefore beautiful souls. (The eyes are the window to the soul.) yellow tulips symbolize happiness in one's life.
Toe jam is a slang reference to the dead skin cells, sock fluff, surface dirt, sweat, skin oils and bacteria which tend to collect between a person's toes throughout the day. Poor hygienic practices or certain feet-related medical conditions such as athlete's foot can make the appearance and odor of foot jam even more noticeable.
My Toenail Hurts: What Causes Runners Toenails to Fall Off? According to a 2004 review article by E.A. Mailler and B.B. Adams, the cause of black or blue toenail from running is rooted in the repeated impacts that occur with each step. After the initial impact with the ground, there is a brief moment where your shoe has come to a stop but your foot inside of it has not. Your foot slides forward, usually only by a small amount, but this causes your toenails to take the brunt of the impact with the toebox of your shoe.