It is good to pause occassionally and think about who has influenced you and how.
You might also want to write them a gratitude letter (Seligman and Peterson) - writing a letter to someone who has helped you and delivering it in person has been shown to increase happiness for about a month.
Seligman, M.E.P., Steen, T.A., Park, N.,& Peterson, C. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60, 410-421.
Seligman, M.E.P., Steen, T.A., Park, N.,& Peterson, C. (2005). Positive psychology progress: Empirical validation of interventions. American Psychologist, 60, 410-421.